Home / 6,648,187.60-9,972,281.40-5,514,446.80

Finding the Fourth Proportional to 6,648,187.60, 9,972,281.40 and 5,514,446.80

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Solution

The fourth proportional to 6,648,187.60, 9,972,281.40 and 5,514,446.80 is: 8,271,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648,187.60 : 9,972,281.40 = 5,514,446.80 : x
  2. Step 2: Convert to fraction form
    6,648,187.60/9,972,281.40 = 5,514,446.80/x
  3. Step 3: Cross multiply
    6,648,187.60x = 9,972,281.40 × 5,514,446.80
  4. Step 4: Simplify right side
    6,648,187.60x = 54,991,615,254,929.52
  5. Step 5: Solve for x
    x = 54,991,615,254,929.52/6,648,187.60
  6. Step 6: Final answer
    x = 8,271,670.20

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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.