Home / 28,403,394.98-42,543,436.94-17,440,306.89

Finding the Fourth Proportional to 28,403,394.98, 42,543,436.94 and 17,440,306.89

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Solution

The fourth proportional to 28,403,394.98, 42,543,436.94 and 17,440,306.89 is: 26,122,602.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,394.98 : 42,543,436.94 = 17,440,306.89 : x
  2. Step 2: Convert to fraction form
    28,403,394.98/42,543,436.94 = 17,440,306.89/x
  3. Step 3: Cross multiply
    28,403,394.98x = 42,543,436.94 × 17,440,306.89
  4. Step 4: Simplify right side
    28,403,394.98x = 741,970,596,488,443
  5. Step 5: Solve for x
    x = 741,970,596,488,443/28,403,394.98
  6. Step 6: Final answer
    x = 26,122,602.49

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Double scale
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Similar ratio
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1.5x scale

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.