Home / 12,395,715.20-18,593,572.80-7,356,867.20

Finding the Fourth Proportional to 12,395,715.20, 18,593,572.80 and 7,356,867.20

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Solution

The fourth proportional to 12,395,715.20, 18,593,572.80 and 7,356,867.20 is: 11,035,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395,715.20 : 18,593,572.80 = 7,356,867.20 : x
  2. Step 2: Convert to fraction form
    12,395,715.20/18,593,572.80 = 7,356,867.20/x
  3. Step 3: Cross multiply
    12,395,715.20x = 18,593,572.80 × 7,356,867.20
  4. Step 4: Simplify right side
    12,395,715.20x = 136,790,445,863,132.17
  5. Step 5: Solve for x
    x = 136,790,445,863,132.17/12,395,715.20
  6. Step 6: Final answer
    x = 11,035,300.80

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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.