Home / 22,218,702.12-30,660,361.38-12,427,448.04

Finding the Fourth Proportional to 22,218,702.12, 30,660,361.38 and 12,427,448.04

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Solution

The fourth proportional to 22,218,702.12, 30,660,361.38 and 12,427,448.04 is: 17,149,068.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,218,702.12 : 30,660,361.38 = 12,427,448.04 : x
  2. Step 2: Convert to fraction form
    22,218,702.12/30,660,361.38 = 12,427,448.04/x
  3. Step 3: Cross multiply
    22,218,702.12x = 30,660,361.38 × 12,427,448.04
  4. Step 4: Simplify right side
    22,218,702.12x = 381,030,047,937,572.62
  5. Step 5: Solve for x
    x = 381,030,047,937,572.62/22,218,702.12
  6. Step 6: Final answer
    x = 17,149,068.65

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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.