Home / 19,738,242.60-29,657,130.30-12,553,218.60

Finding the Fourth Proportional to 19,738,242.60, 29,657,130.30 and 12,553,218.60

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Solution

The fourth proportional to 19,738,242.60, 29,657,130.30 and 12,553,218.60 is: 18,861,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,738,242.60 : 29,657,130.30 = 12,553,218.60 : x
  2. Step 2: Convert to fraction form
    19,738,242.60/29,657,130.30 = 12,553,218.60/x
  3. Step 3: Cross multiply
    19,738,242.60x = 29,657,130.30 × 12,553,218.60
  4. Step 4: Simplify right side
    19,738,242.60x = 372,292,439,704,583.56
  5. Step 5: Solve for x
    x = 372,292,439,704,583.56/19,738,242.60
  6. Step 6: Final answer
    x = 18,861,478.56

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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.