Home / 7,200,746.10-10,801,119.15-6,653,315.70

Finding the Fourth Proportional to 7,200,746.10, 10,801,119.15 and 6,653,315.70

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Solution

The fourth proportional to 7,200,746.10, 10,801,119.15 and 6,653,315.70 is: 9,979,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200,746.10 : 10,801,119.15 = 6,653,315.70 : x
  2. Step 2: Convert to fraction form
    7,200,746.10/10,801,119.15 = 6,653,315.70/x
  3. Step 3: Cross multiply
    7,200,746.10x = 10,801,119.15 × 6,653,315.70
  4. Step 4: Simplify right side
    7,200,746.10x = 71,863,255,618,265.66
  5. Step 5: Solve for x
    x = 71,863,255,618,265.66/7,200,746.10
  6. Step 6: Final answer
    x = 9,979,973.55

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Double scale
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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.