Home / 28,543,496.25-39,390,045.35-15,490,751.79

Finding the Fourth Proportional to 28,543,496.25, 39,390,045.35 and 15,490,751.79

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Solution

The fourth proportional to 28,543,496.25, 39,390,045.35 and 15,490,751.79 is: 21,377,248.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,543,496.25 : 39,390,045.35 = 15,490,751.79 : x
  2. Step 2: Convert to fraction form
    28,543,496.25/39,390,045.35 = 15,490,751.79/x
  3. Step 3: Cross multiply
    28,543,496.25x = 39,390,045.35 × 15,490,751.79
  4. Step 4: Simplify right side
    28,543,496.25x = 610,181,415,436,239.88
  5. Step 5: Solve for x
    x = 610,181,415,436,239.88/28,543,496.25
  6. Step 6: Final answer
    x = 21,377,248.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.