Home / 42,012,056.20-63,018,084.30-10,099,352.20

Finding the Fourth Proportional to 42,012,056.20, 63,018,084.30 and 10,099,352.20

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Solution

The fourth proportional to 42,012,056.20, 63,018,084.30 and 10,099,352.20 is: 15,149,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012,056.20 : 63,018,084.30 = 10,099,352.20 : x
  2. Step 2: Convert to fraction form
    42,012,056.20/63,018,084.30 = 10,099,352.20/x
  3. Step 3: Cross multiply
    42,012,056.20x = 63,018,084.30 × 10,099,352.20
  4. Step 4: Simplify right side
    42,012,056.20x = 636,441,828,314,990.38
  5. Step 5: Solve for x
    x = 636,441,828,314,990.38/42,012,056.20
  6. Step 6: Final answer
    x = 15,149,028.30

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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.