Home / 42,012,047.70-63,018,071.55-10,099,343.70

Finding the Fourth Proportional to 42,012,047.70, 63,018,071.55 and 10,099,343.70

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Solution

The fourth proportional to 42,012,047.70, 63,018,071.55 and 10,099,343.70 is: 15,149,015.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012,047.70 : 63,018,071.55 = 10,099,343.70 : x
  2. Step 2: Convert to fraction form
    42,012,047.70/63,018,071.55 = 10,099,343.70/x
  3. Step 3: Cross multiply
    42,012,047.70x = 63,018,071.55 × 10,099,343.70
  4. Step 4: Simplify right side
    42,012,047.70x = 636,441,163,894,641.62
  5. Step 5: Solve for x
    x = 636,441,163,894,641.62/42,012,047.70
  6. Step 6: Final answer
    x = 15,149,015.55

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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.