Home / 12,947,410.80-19,428,892.20-5,373,586.80

Finding the Fourth Proportional to 12,947,410.80, 19,428,892.20 and 5,373,586.80

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Solution

The fourth proportional to 12,947,410.80, 19,428,892.20 and 5,373,586.80 is: 8,063,607.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947,410.80 : 19,428,892.20 = 5,373,586.80 : x
  2. Step 2: Convert to fraction form
    12,947,410.80/19,428,892.20 = 5,373,586.80/x
  3. Step 3: Cross multiply
    12,947,410.80x = 19,428,892.20 × 5,373,586.80
  4. Step 4: Simplify right side
    12,947,410.80x = 104,402,838,664,542.95
  5. Step 5: Solve for x
    x = 104,402,838,664,542.95/12,947,410.80
  6. Step 6: Final answer
    x = 8,063,607.49

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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.