Home / 13,392,686.53-18,481,831.18-7,432,033.65

Finding the Fourth Proportional to 13,392,686.53, 18,481,831.18 and 7,432,033.65

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Solution

The fourth proportional to 13,392,686.53, 18,481,831.18 and 7,432,033.65 is: 10,256,164.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392,686.53 : 18,481,831.18 = 7,432,033.65 : x
  2. Step 2: Convert to fraction form
    13,392,686.53/18,481,831.18 = 7,432,033.65/x
  3. Step 3: Cross multiply
    13,392,686.53x = 18,481,831.18 × 7,432,033.65
  4. Step 4: Simplify right side
    13,392,686.53x = 137,357,591,280,351.44
  5. Step 5: Solve for x
    x = 137,357,591,280,351.44/13,392,686.53
  6. Step 6: Final answer
    x = 10,256,164.13

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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.