Home / 20,070,717.71-27,695,368.98-11,129,603.04

Finding the Fourth Proportional to 20,070,717.71, 27,695,368.98 and 11,129,603.04

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Solution

The fourth proportional to 20,070,717.71, 27,695,368.98 and 11,129,603.04 is: 15,357,620.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070,717.71 : 27,695,368.98 = 11,129,603.04 : x
  2. Step 2: Convert to fraction form
    20,070,717.71/27,695,368.98 = 11,129,603.04/x
  3. Step 3: Cross multiply
    20,070,717.71x = 27,695,368.98 × 11,129,603.04
  4. Step 4: Simplify right side
    20,070,717.71x = 308,238,462,793,729.69
  5. Step 5: Solve for x
    x = 308,238,462,793,729.69/20,070,717.71
  6. Step 6: Final answer
    x = 15,357,620.36

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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.