Home / 21,780,307.20-32,662,844.80-6,423,523.52

Finding the Fourth Proportional to 21,780,307.20, 32,662,844.80 and 6,423,523.52

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Solution

The fourth proportional to 21,780,307.20, 32,662,844.80 and 6,423,523.52 is: 9,633,039.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,780,307.20 : 32,662,844.80 = 6,423,523.52 : x
  2. Step 2: Convert to fraction form
    21,780,307.20/32,662,844.80 = 6,423,523.52/x
  3. Step 3: Cross multiply
    21,780,307.20x = 32,662,844.80 × 6,423,523.52
  4. Step 4: Simplify right side
    21,780,307.20x = 209,810,551,802,909.69
  5. Step 5: Solve for x
    x = 209,810,551,802,909.69/21,780,307.20
  6. Step 6: Final answer
    x = 9,633,039.14

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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.