Home / 21,560,356.80-32,345,200.80-6,415,819.20

Finding the Fourth Proportional to 21,560,356.80, 32,345,200.80 and 6,415,819.20

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Solution

The fourth proportional to 21,560,356.80, 32,345,200.80 and 6,415,819.20 is: 9,625,117.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,560,356.80 : 32,345,200.80 = 6,415,819.20 : x
  2. Step 2: Convert to fraction form
    21,560,356.80/32,345,200.80 = 6,415,819.20/x
  3. Step 3: Cross multiply
    21,560,356.80x = 32,345,200.80 × 6,415,819.20
  4. Step 4: Simplify right side
    21,560,356.80x = 207,520,960,320,495.38
  5. Step 5: Solve for x
    x = 207,520,960,320,495.38/21,560,356.80
  6. Step 6: Final answer
    x = 9,625,117.17

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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.