Home / 28,604,711.49-42,908,389.15-9,437,143.65

Finding the Fourth Proportional to 28,604,711.49, 42,908,389.15 and 9,437,143.65

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Solution

The fourth proportional to 28,604,711.49, 42,908,389.15 and 9,437,143.65 is: 14,156,151.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,604,711.49 : 42,908,389.15 = 9,437,143.65 : x
  2. Step 2: Convert to fraction form
    28,604,711.49/42,908,389.15 = 9,437,143.65/x
  3. Step 3: Cross multiply
    28,604,711.49x = 42,908,389.15 × 9,437,143.65
  4. Step 4: Simplify right side
    28,604,711.49x = 404,932,631,984,109.44
  5. Step 5: Solve for x
    x = 404,932,631,984,109.44/28,604,711.49
  6. Step 6: Final answer
    x = 14,156,151.59

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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.