Home / 28,416,479.88-42,614,140.20-10,215,708.24

Finding the Fourth Proportional to 28,416,479.88, 42,614,140.20 and 10,215,708.24

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Solution

The fourth proportional to 28,416,479.88, 42,614,140.20 and 10,215,708.24 is: 15,319,758.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416,479.88 : 42,614,140.20 = 10,215,708.24 : x
  2. Step 2: Convert to fraction form
    28,416,479.88/42,614,140.20 = 10,215,708.24/x
  3. Step 3: Cross multiply
    28,416,479.88x = 42,614,140.20 × 10,215,708.24
  4. Step 4: Simplify right side
    28,416,479.88x = 435,333,623,181,655.31
  5. Step 5: Solve for x
    x = 435,333,623,181,655.31/28,416,479.88
  6. Step 6: Final answer
    x = 15,319,758.99

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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.