Home / 15,071,077.32-20,797,458.68-8,545,148.30

Finding the Fourth Proportional to 15,071,077.32, 20,797,458.68 and 8,545,148.30

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Solution

The fourth proportional to 15,071,077.32, 20,797,458.68 and 8,545,148.30 is: 11,791,948.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,071,077.32 : 20,797,458.68 = 8,545,148.30 : x
  2. Step 2: Convert to fraction form
    15,071,077.32/20,797,458.68 = 8,545,148.30/x
  3. Step 3: Cross multiply
    15,071,077.32x = 20,797,458.68 × 8,545,148.30
  4. Step 4: Simplify right side
    15,071,077.32x = 177,717,368,683,722.25
  5. Step 5: Solve for x
    x = 177,717,368,683,722.25/15,071,077.32
  6. Step 6: Final answer
    x = 11,791,948.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.