Home / 22,941,320.45-31,659,857.55-12,486,831.44

Finding the Fourth Proportional to 22,941,320.45, 31,659,857.55 and 12,486,831.44

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Solution

The fourth proportional to 22,941,320.45, 31,659,857.55 and 12,486,831.44 is: 17,232,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,941,320.45 : 31,659,857.55 = 12,486,831.44 : x
  2. Step 2: Convert to fraction form
    22,941,320.45/31,659,857.55 = 12,486,831.44/x
  3. Step 3: Cross multiply
    22,941,320.45x = 31,659,857.55 × 12,486,831.44
  4. Step 4: Simplify right side
    22,941,320.45x = 395,331,304,482,962.12
  5. Step 5: Solve for x
    x = 395,331,304,482,962.12/22,941,320.45
  6. Step 6: Final answer
    x = 17,232,282.05

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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.