Home / 13,878,435.77-20,805,288.65-6,587,397.39

Finding the Fourth Proportional to 13,878,435.77, 20,805,288.65 and 6,587,397.39

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Solution

The fourth proportional to 13,878,435.77, 20,805,288.65 and 6,587,397.39 is: 9,875,227.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,878,435.77 : 20,805,288.65 = 6,587,397.39 : x
  2. Step 2: Convert to fraction form
    13,878,435.77/20,805,288.65 = 6,587,397.39/x
  3. Step 3: Cross multiply
    13,878,435.77x = 20,805,288.65 × 6,587,397.39
  4. Step 4: Simplify right side
    13,878,435.77x = 137,052,704,151,206.61
  5. Step 5: Solve for x
    x = 137,052,704,151,206.61/13,878,435.77
  6. Step 6: Final answer
    x = 9,875,227.04

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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.