Home / 12,746,785.32-19,125,829.35-6,680,074.86

Finding the Fourth Proportional to 12,746,785.32, 19,125,829.35 and 6,680,074.86

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Solution

The fourth proportional to 12,746,785.32, 19,125,829.35 and 6,680,074.86 is: 10,023,073.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746,785.32 : 19,125,829.35 = 6,680,074.86 : x
  2. Step 2: Convert to fraction form
    12,746,785.32/19,125,829.35 = 6,680,074.86/x
  3. Step 3: Cross multiply
    12,746,785.32x = 19,125,829.35 × 6,680,074.86
  4. Step 4: Simplify right side
    12,746,785.32x = 127,761,971,817,585.16
  5. Step 5: Solve for x
    x = 127,761,971,817,585.16/12,746,785.32
  6. Step 6: Final answer
    x = 10,023,073.94

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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.