Home / 12,177,399.28-16,793,215.32-7,281,824.08

Finding the Fourth Proportional to 12,177,399.28, 16,793,215.32 and 7,281,824.08

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Solution

The fourth proportional to 12,177,399.28, 16,793,215.32 and 7,281,824.08 is: 10,041,983.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177,399.28 : 16,793,215.32 = 7,281,824.08 : x
  2. Step 2: Convert to fraction form
    12,177,399.28/16,793,215.32 = 7,281,824.08/x
  3. Step 3: Cross multiply
    12,177,399.28x = 16,793,215.32 × 7,281,824.08
  4. Step 4: Simplify right side
    12,177,399.28x = 122,285,239,697,800.91
  5. Step 5: Solve for x
    x = 122,285,239,697,800.91/12,177,399.28
  6. Step 6: Final answer
    x = 10,041,983.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.