Home / 27,887,802.16-38,486,101.58-15,498,417.78

Finding the Fourth Proportional to 27,887,802.16, 38,486,101.58 and 15,498,417.78

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Solution

The fourth proportional to 27,887,802.16, 38,486,101.58 and 15,498,417.78 is: 21,388,335.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887,802.16 : 38,486,101.58 = 15,498,417.78 : x
  2. Step 2: Convert to fraction form
    27,887,802.16/38,486,101.58 = 15,498,417.78/x
  3. Step 3: Cross multiply
    27,887,802.16x = 38,486,101.58 × 15,498,417.78
  4. Step 4: Simplify right side
    27,887,802.16x = 596,473,681,010,358
  5. Step 5: Solve for x
    x = 596,473,681,010,358/27,887,802.16
  6. Step 6: Final answer
    x = 21,388,335.93

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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.