Home / 16,878,853.80-25,290,601.01-7,155,697.83

Finding the Fourth Proportional to 16,878,853.80, 25,290,601.01 and 7,155,697.83

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Solution

The fourth proportional to 16,878,853.80, 25,290,601.01 and 7,155,697.83 is: 10,721,812.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878,853.80 : 25,290,601.01 = 7,155,697.83 : x
  2. Step 2: Convert to fraction form
    16,878,853.80/25,290,601.01 = 7,155,697.83/x
  3. Step 3: Cross multiply
    16,878,853.80x = 25,290,601.01 × 7,155,697.83
  4. Step 4: Simplify right side
    16,878,853.80x = 180,971,898,730,874.31
  5. Step 5: Solve for x
    x = 180,971,898,730,874.31/16,878,853.80
  6. Step 6: Final answer
    x = 10,721,812.09

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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.