Home / 28,002,349-42,010,609.38-7,807,591

Finding the Fourth Proportional to 28,002,349, 42,010,609.38 and 7,807,591

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Solution

The fourth proportional to 28,002,349, 42,010,609.38 and 7,807,591 is: 11,713,362.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002,349 : 42,010,609.38 = 7,807,591 : x
  2. Step 2: Convert to fraction form
    28,002,349/42,010,609.38 = 7,807,591/x
  3. Step 3: Cross multiply
    28,002,349x = 42,010,609.38 × 7,807,591
  4. Step 4: Simplify right side
    28,002,349x = 328,001,655,699,803.62
  5. Step 5: Solve for x
    x = 328,001,655,699,803.62/28,002,349
  6. Step 6: Final answer
    x = 11,713,362.18

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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.