Home / 10,331,285.40-15,499,169.78-3,142,632.47

Finding the Fourth Proportional to 10,331,285.40, 15,499,169.78 and 3,142,632.47

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Solution

The fourth proportional to 10,331,285.40, 15,499,169.78 and 3,142,632.47 is: 4,714,630.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331,285.40 : 15,499,169.78 = 3,142,632.47 : x
  2. Step 2: Convert to fraction form
    10,331,285.40/15,499,169.78 = 3,142,632.47/x
  3. Step 3: Cross multiply
    10,331,285.40x = 15,499,169.78 × 3,142,632.47
  4. Step 4: Simplify right side
    10,331,285.40x = 48,708,194,115,461.74
  5. Step 5: Solve for x
    x = 48,708,194,115,461.74/10,331,285.40
  6. Step 6: Final answer
    x = 4,714,630.58

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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.