Home / 12,282,617.70-18,395,932.95-7,243,769.70

Finding the Fourth Proportional to 12,282,617.70, 18,395,932.95 and 7,243,769.70

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Solution

The fourth proportional to 12,282,617.70, 18,395,932.95 and 7,243,769.70 is: 10,849,145.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282,617.70 : 18,395,932.95 = 7,243,769.70 : x
  2. Step 2: Convert to fraction form
    12,282,617.70/18,395,932.95 = 7,243,769.70/x
  3. Step 3: Cross multiply
    12,282,617.70x = 18,395,932.95 × 7,243,769.70
  4. Step 4: Simplify right side
    12,282,617.70x = 133,255,901,706,441.61
  5. Step 5: Solve for x
    x = 133,255,901,706,441.61/12,282,617.70
  6. Step 6: Final answer
    x = 10,849,145.11

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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.