Home / 21,553,781.80-32,335,338.30-6,409,244.20

Finding the Fourth Proportional to 21,553,781.80, 32,335,338.30 and 6,409,244.20

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Solution

The fourth proportional to 21,553,781.80, 32,335,338.30 and 6,409,244.20 is: 9,615,253.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,553,781.80 : 32,335,338.30 = 6,409,244.20 : x
  2. Step 2: Convert to fraction form
    21,553,781.80/32,335,338.30 = 6,409,244.20/x
  3. Step 3: Cross multiply
    21,553,781.80x = 32,335,338.30 × 6,409,244.20
  4. Step 4: Simplify right side
    21,553,781.80x = 207,245,079,454,312.88
  5. Step 5: Solve for x
    x = 207,245,079,454,312.88/21,553,781.80
  6. Step 6: Final answer
    x = 9,615,253.67

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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.