Home / 7,256,031.20-10,884,046.80-6,472,210.40

Finding the Fourth Proportional to 7,256,031.20, 10,884,046.80 and 6,472,210.40

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Solution

The fourth proportional to 7,256,031.20, 10,884,046.80 and 6,472,210.40 is: 9,708,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,256,031.20 : 10,884,046.80 = 6,472,210.40 : x
  2. Step 2: Convert to fraction form
    7,256,031.20/10,884,046.80 = 6,472,210.40/x
  3. Step 3: Cross multiply
    7,256,031.20x = 10,884,046.80 × 6,472,210.40
  4. Step 4: Simplify right side
    7,256,031.20x = 70,443,840,893,046.73
  5. Step 5: Solve for x
    x = 70,443,840,893,046.73/7,256,031.20
  6. Step 6: Final answer
    x = 9,708,315.60

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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.