Home / 15,645,007.20-23,467,510.80-4,285,437.60

Finding the Fourth Proportional to 15,645,007.20, 23,467,510.80 and 4,285,437.60

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Solution

The fourth proportional to 15,645,007.20, 23,467,510.80 and 4,285,437.60 is: 6,428,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645,007.20 : 23,467,510.80 = 4,285,437.60 : x
  2. Step 2: Convert to fraction form
    15,645,007.20/23,467,510.80 = 4,285,437.60/x
  3. Step 3: Cross multiply
    15,645,007.20x = 23,467,510.80 × 4,285,437.60
  4. Step 4: Simplify right side
    15,645,007.20x = 100,568,553,160,726.08
  5. Step 5: Solve for x
    x = 100,568,553,160,726.08/15,645,007.20
  6. Step 6: Final answer
    x = 6,428,156.40

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Similar ratio
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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.