Home / 7,560,887.20-11,341,330.80-6,899,538.40

Finding the Fourth Proportional to 7,560,887.20, 11,341,330.80 and 6,899,538.40

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Solution

The fourth proportional to 7,560,887.20, 11,341,330.80 and 6,899,538.40 is: 10,349,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,560,887.20 : 11,341,330.80 = 6,899,538.40 : x
  2. Step 2: Convert to fraction form
    7,560,887.20/11,341,330.80 = 6,899,538.40/x
  3. Step 3: Cross multiply
    7,560,887.20x = 11,341,330.80 × 6,899,538.40
  4. Step 4: Simplify right side
    7,560,887.20x = 78,249,947,361,702.73
  5. Step 5: Solve for x
    x = 78,249,947,361,702.73/7,560,887.20
  6. Step 6: Final answer
    x = 10,349,307.60

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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.