Home / 40,421,715.90-60,670,627.65-21,266,220.30

Finding the Fourth Proportional to 40,421,715.90, 60,670,627.65 and 21,266,220.30

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Solution

The fourth proportional to 40,421,715.90, 60,670,627.65 and 21,266,220.30 is: 31,919,350.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421,715.90 : 60,670,627.65 = 21,266,220.30 : x
  2. Step 2: Convert to fraction form
    40,421,715.90/60,670,627.65 = 21,266,220.30/x
  3. Step 3: Cross multiply
    40,421,715.90x = 60,670,627.65 × 21,266,220.30
  4. Step 4: Simplify right side
    40,421,715.90x = 1,290,234,933,344,171.25
  5. Step 5: Solve for x
    x = 1,290,234,933,344,171.25/40,421,715.90
  6. Step 6: Final answer
    x = 31,919,350.89

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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.