Home / 10,186,979.28-15,278,807.52-2,996,831.52

Finding the Fourth Proportional to 10,186,979.28, 15,278,807.52 and 2,996,831.52

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Solution

The fourth proportional to 10,186,979.28, 15,278,807.52 and 2,996,831.52 is: 4,494,758.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186,979.28 : 15,278,807.52 = 2,996,831.52 : x
  2. Step 2: Convert to fraction form
    10,186,979.28/15,278,807.52 = 2,996,831.52/x
  3. Step 3: Cross multiply
    10,186,979.28x = 15,278,807.52 × 2,996,831.52
  4. Step 4: Simplify right side
    10,186,979.28x = 45,788,011,963,949.03
  5. Step 5: Solve for x
    x = 45,788,011,963,949.03/10,186,979.28
  6. Step 6: Final answer
    x = 4,494,758.53

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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.