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Finding the Fourth Proportional to 17,272,407.60, 25,896,801.60 and 8,178,861.60

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Solution

The fourth proportional to 17,272,407.60, 25,896,801.60 and 8,178,861.60 is: 12,262,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,272,407.60 : 25,896,801.60 = 8,178,861.60 : x
  2. Step 2: Convert to fraction form
    17,272,407.60/25,896,801.60 = 8,178,861.60/x
  3. Step 3: Cross multiply
    17,272,407.60x = 25,896,801.60 × 8,178,861.60
  4. Step 4: Simplify right side
    17,272,407.60x = 211,806,356,169,058.56
  5. Step 5: Solve for x
    x = 211,806,356,169,058.56/17,272,407.60
  6. Step 6: Final answer
    x = 12,262,700.20

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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.