Home / 23,121,400.32-31,908,062.88-12,668,414.40

Finding the Fourth Proportional to 23,121,400.32, 31,908,062.88 and 12,668,414.40

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Solution

The fourth proportional to 23,121,400.32, 31,908,062.88 and 12,668,414.40 is: 17,482,702.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,121,400.32 : 31,908,062.88 = 12,668,414.40 : x
  2. Step 2: Convert to fraction form
    23,121,400.32/31,908,062.88 = 12,668,414.40/x
  3. Step 3: Cross multiply
    23,121,400.32x = 31,908,062.88 × 12,668,414.40
  4. Step 4: Simplify right side
    23,121,400.32x = 404,224,563,265,097.50
  5. Step 5: Solve for x
    x = 404,224,563,265,097.50/23,121,400.32
  6. Step 6: Final answer
    x = 17,482,702.50

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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.