Home / 13,878,002.70-20,817,004.05-13,641,806.70

Finding the Fourth Proportional to 13,878,002.70, 20,817,004.05 and 13,641,806.70

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Solution

The fourth proportional to 13,878,002.70, 20,817,004.05 and 13,641,806.70 is: 20,462,710.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,878,002.70 : 20,817,004.05 = 13,641,806.70 : x
  2. Step 2: Convert to fraction form
    13,878,002.70/20,817,004.05 = 13,641,806.70/x
  3. Step 3: Cross multiply
    13,878,002.70x = 20,817,004.05 × 13,641,806.70
  4. Step 4: Simplify right side
    13,878,002.70x = 283,981,545,323,217.12
  5. Step 5: Solve for x
    x = 283,981,545,323,217.12/13,878,002.70
  6. Step 6: Final answer
    x = 20,462,710.05

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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.