Home / 28,502,410.29-39,333,830.09-15,450,102.69

Finding the Fourth Proportional to 28,502,410.29, 39,333,830.09 and 15,450,102.69

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Solution

The fourth proportional to 28,502,410.29, 39,333,830.09 and 15,450,102.69 is: 21,321,414.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,502,410.29 : 39,333,830.09 = 15,450,102.69 : x
  2. Step 2: Convert to fraction form
    28,502,410.29/39,333,830.09 = 15,450,102.69/x
  3. Step 3: Cross multiply
    28,502,410.29x = 39,333,830.09 × 15,450,102.69
  4. Step 4: Simplify right side
    28,502,410.29x = 607,711,714,004,261.38
  5. Step 5: Solve for x
    x = 607,711,714,004,261.38/28,502,410.29
  6. Step 6: Final answer
    x = 21,321,414.85

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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.