Home / 18,699,497.40-28,049,246.10-17,943,670.20

Finding the Fourth Proportional to 18,699,497.40, 28,049,246.10 and 17,943,670.20

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Solution

The fourth proportional to 18,699,497.40, 28,049,246.10 and 17,943,670.20 is: 26,915,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699,497.40 : 28,049,246.10 = 17,943,670.20 : x
  2. Step 2: Convert to fraction form
    18,699,497.40/28,049,246.10 = 17,943,670.20/x
  3. Step 3: Cross multiply
    18,699,497.40x = 28,049,246.10 × 17,943,670.20
  4. Step 4: Simplify right side
    18,699,497.40x = 503,306,421,377,036.25
  5. Step 5: Solve for x
    x = 503,306,421,377,036.25/18,699,497.40
  6. Step 6: Final answer
    x = 26,915,505.30

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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.