Home / 15,360,439.20-23,040,658.80-5,259,703.20

Finding the Fourth Proportional to 15,360,439.20, 23,040,658.80 and 5,259,703.20

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Solution

The fourth proportional to 15,360,439.20, 23,040,658.80 and 5,259,703.20 is: 7,889,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360,439.20 : 23,040,658.80 = 5,259,703.20 : x
  2. Step 2: Convert to fraction form
    15,360,439.20/23,040,658.80 = 5,259,703.20/x
  3. Step 3: Cross multiply
    15,360,439.20x = 23,040,658.80 × 5,259,703.20
  4. Step 4: Simplify right side
    15,360,439.20x = 121,187,026,820,468.17
  5. Step 5: Solve for x
    x = 121,187,026,820,468.17/15,360,439.20
  6. Step 6: Final answer
    x = 7,889,554.80

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1.5x scale

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.