Home / 9,172,521.20-13,758,781.80-6,149,212.40

Finding the Fourth Proportional to 9,172,521.20, 13,758,781.80 and 6,149,212.40

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Solution

The fourth proportional to 9,172,521.20, 13,758,781.80 and 6,149,212.40 is: 9,223,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172,521.20 : 13,758,781.80 = 6,149,212.40 : x
  2. Step 2: Convert to fraction form
    9,172,521.20/13,758,781.80 = 6,149,212.40/x
  3. Step 3: Cross multiply
    9,172,521.20x = 13,758,781.80 × 6,149,212.40
  4. Step 4: Simplify right side
    9,172,521.20x = 84,605,671,653,454.33
  5. Step 5: Solve for x
    x = 84,605,671,653,454.33/9,172,521.20
  6. Step 6: Final answer
    x = 9,223,818.60

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Similar ratio
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1.5x scale

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.