Home / 21,287,998.40-31,884,758.40-17,508,862.40

Finding the Fourth Proportional to 21,287,998.40, 31,884,758.40 and 17,508,862.40

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Solution

The fourth proportional to 21,287,998.40, 31,884,758.40 and 17,508,862.40 is: 26,224,440.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,287,998.40 : 31,884,758.40 = 17,508,862.40 : x
  2. Step 2: Convert to fraction form
    21,287,998.40/31,884,758.40 = 17,508,862.40/x
  3. Step 3: Cross multiply
    21,287,998.40x = 31,884,758.40 × 17,508,862.40
  4. Step 4: Simplify right side
    21,287,998.40x = 558,265,847,482,844.06
  5. Step 5: Solve for x
    x = 558,265,847,482,844.06/21,287,998.40
  6. Step 6: Final answer
    x = 26,224,440.50

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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.