Home / 18,746,440.20-28,119,660.30-6,615,807.30

Finding the Fourth Proportional to 18,746,440.20, 28,119,660.30 and 6,615,807.30

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Solution

The fourth proportional to 18,746,440.20, 28,119,660.30 and 6,615,807.30 is: 9,923,710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746,440.20 : 28,119,660.30 = 6,615,807.30 : x
  2. Step 2: Convert to fraction form
    18,746,440.20/28,119,660.30 = 6,615,807.30/x
  3. Step 3: Cross multiply
    18,746,440.20x = 28,119,660.30 × 6,615,807.30
  4. Step 4: Simplify right side
    18,746,440.20x = 186,034,253,886,260.19
  5. Step 5: Solve for x
    x = 186,034,253,886,260.19/18,746,440.20
  6. Step 6: Final answer
    x = 9,923,710.95

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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.