Home / 28,917,069.40-43,446,463.17-21,742,615.90

Finding the Fourth Proportional to 28,917,069.40, 43,446,463.17 and 21,742,615.90

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Solution

The fourth proportional to 28,917,069.40, 43,446,463.17 and 21,742,615.90 is: 32,667,202.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,917,069.40 : 43,446,463.17 = 21,742,615.90 : x
  2. Step 2: Convert to fraction form
    28,917,069.40/43,446,463.17 = 21,742,615.90/x
  3. Step 3: Cross multiply
    28,917,069.40x = 43,446,463.17 × 21,742,615.90
  4. Step 4: Simplify right side
    28,917,069.40x = 944,639,760,918,806.38
  5. Step 5: Solve for x
    x = 944,639,760,918,806.38/28,917,069.40
  6. Step 6: Final answer
    x = 32,667,202.47

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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.