Home / 8,808,337.20-13,212,505.80-7,464,644.40

Finding the Fourth Proportional to 8,808,337.20, 13,212,505.80 and 7,464,644.40

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Solution

The fourth proportional to 8,808,337.20, 13,212,505.80 and 7,464,644.40 is: 11,196,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808,337.20 : 13,212,505.80 = 7,464,644.40 : x
  2. Step 2: Convert to fraction form
    8,808,337.20/13,212,505.80 = 7,464,644.40/x
  3. Step 3: Cross multiply
    8,808,337.20x = 13,212,505.80 × 7,464,644.40
  4. Step 4: Simplify right side
    8,808,337.20x = 98,626,657,429,937.53
  5. Step 5: Solve for x
    x = 98,626,657,429,937.53/8,808,337.20
  6. Step 6: Final answer
    x = 11,196,966.60

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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.