Home / 10,553,356.80-15,830,035.20-9,965,491.20

Finding the Fourth Proportional to 10,553,356.80, 15,830,035.20 and 9,965,491.20

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Solution

The fourth proportional to 10,553,356.80, 15,830,035.20 and 9,965,491.20 is: 14,948,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553,356.80 : 15,830,035.20 = 9,965,491.20 : x
  2. Step 2: Convert to fraction form
    10,553,356.80/15,830,035.20 = 9,965,491.20/x
  3. Step 3: Cross multiply
    10,553,356.80x = 15,830,035.20 × 9,965,491.20
  4. Step 4: Simplify right side
    10,553,356.80x = 157,754,076,481,290.22
  5. Step 5: Solve for x
    x = 157,754,076,481,290.22/10,553,356.80
  6. Step 6: Final answer
    x = 14,948,236.80

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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.