Home / 13,178,332.80-18,176,724.24-12,094,105.92

Finding the Fourth Proportional to 13,178,332.80, 18,176,724.24 and 12,094,105.92

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Solution

The fourth proportional to 13,178,332.80, 18,176,724.24 and 12,094,105.92 is: 16,681,262.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178,332.80 : 18,176,724.24 = 12,094,105.92 : x
  2. Step 2: Convert to fraction form
    13,178,332.80/18,176,724.24 = 12,094,105.92/x
  3. Step 3: Cross multiply
    13,178,332.80x = 18,176,724.24 × 12,094,105.92
  4. Step 4: Simplify right side
    13,178,332.80x = 219,831,228,237,191.47
  5. Step 5: Solve for x
    x = 219,831,228,237,191.47/13,178,332.80
  6. Step 6: Final answer
    x = 16,681,262.46

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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.