Home / 42,012,000.30-63,018,000.45-10,099,296.30

Finding the Fourth Proportional to 42,012,000.30, 63,018,000.45 and 10,099,296.30

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Solution

The fourth proportional to 42,012,000.30, 63,018,000.45 and 10,099,296.30 is: 15,148,944.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012,000.30 : 63,018,000.45 = 10,099,296.30 : x
  2. Step 2: Convert to fraction form
    42,012,000.30/63,018,000.45 = 10,099,296.30/x
  3. Step 3: Cross multiply
    42,012,000.30x = 63,018,000.45 × 10,099,296.30
  4. Step 4: Simplify right side
    42,012,000.30x = 636,437,458,778,083.38
  5. Step 5: Solve for x
    x = 636,437,458,778,083.38/42,012,000.30
  6. Step 6: Final answer
    x = 15,148,944.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.