Home / 10,368,031.20-15,552,046.80-8,949,688.80

Finding the Fourth Proportional to 10,368,031.20, 15,552,046.80 and 8,949,688.80

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Solution

The fourth proportional to 10,368,031.20, 15,552,046.80 and 8,949,688.80 is: 13,424,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,031.20 : 15,552,046.80 = 8,949,688.80 : x
  2. Step 2: Convert to fraction form
    10,368,031.20/15,552,046.80 = 8,949,688.80/x
  3. Step 3: Cross multiply
    10,368,031.20x = 15,552,046.80 × 8,949,688.80
  4. Step 4: Simplify right side
    10,368,031.20x = 139,185,979,063,035.86
  5. Step 5: Solve for x
    x = 139,185,979,063,035.86/10,368,031.20
  6. Step 6: Final answer
    x = 13,424,533.20

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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.