Home / 43,721,000.70-65,581,501.05-13,428,815.10

Finding the Fourth Proportional to 43,721,000.70, 65,581,501.05 and 13,428,815.10

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Solution

The fourth proportional to 43,721,000.70, 65,581,501.05 and 13,428,815.10 is: 20,143,222.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,721,000.70 : 65,581,501.05 = 13,428,815.10 : x
  2. Step 2: Convert to fraction form
    43,721,000.70/65,581,501.05 = 13,428,815.10/x
  3. Step 3: Cross multiply
    43,721,000.70x = 65,581,501.05 × 13,428,815.10
  4. Step 4: Simplify right side
    43,721,000.70x = 880,681,851,580,905.75
  5. Step 5: Solve for x
    x = 880,681,851,580,905.75/43,721,000.70
  6. Step 6: Final answer
    x = 20,143,222.65

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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.