Home / 15,452,557.20-23,181,946.20-12,945,574.80

Finding the Fourth Proportional to 15,452,557.20, 23,181,946.20 and 12,945,574.80

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Solution

The fourth proportional to 15,452,557.20, 23,181,946.20 and 12,945,574.80 is: 19,420,967.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452,557.20 : 23,181,946.20 = 12,945,574.80 : x
  2. Step 2: Convert to fraction form
    15,452,557.20/23,181,946.20 = 12,945,574.80/x
  3. Step 3: Cross multiply
    15,452,557.20x = 23,181,946.20 × 12,945,574.80
  4. Step 4: Simplify right side
    15,452,557.20x = 300,103,618,541,675.75
  5. Step 5: Solve for x
    x = 300,103,618,541,675.75/15,452,557.20
  6. Step 6: Final answer
    x = 19,420,967.98

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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.