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Finding the Fourth Proportional to 14,677,463.20, 21,972,649.20 and 10,907,658.40

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Solution

The fourth proportional to 14,677,463.20, 21,972,649.20 and 10,907,658.40 is: 16,329,126.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,677,463.20 : 21,972,649.20 = 10,907,658.40 : x
  2. Step 2: Convert to fraction form
    14,677,463.20/21,972,649.20 = 10,907,658.40/x
  3. Step 3: Cross multiply
    14,677,463.20x = 21,972,649.20 × 10,907,658.40
  4. Step 4: Simplify right side
    14,677,463.20x = 239,670,151,616,633.28
  5. Step 5: Solve for x
    x = 239,670,151,616,633.28/14,677,463.20
  6. Step 6: Final answer
    x = 16,329,126.39

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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.