Home / 5,508,043.20-8,262,064.80-5,130,129.60

Finding the Fourth Proportional to 5,508,043.20, 8,262,064.80 and 5,130,129.60

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Solution

The fourth proportional to 5,508,043.20, 8,262,064.80 and 5,130,129.60 is: 7,695,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508,043.20 : 8,262,064.80 = 5,130,129.60 : x
  2. Step 2: Convert to fraction form
    5,508,043.20/8,262,064.80 = 5,130,129.60/x
  3. Step 3: Cross multiply
    5,508,043.20x = 8,262,064.80 × 5,130,129.60
  4. Step 4: Simplify right side
    5,508,043.20x = 42,385,463,187,598.08
  5. Step 5: Solve for x
    x = 42,385,463,187,598.08/5,508,043.20
  6. Step 6: Final answer
    x = 7,695,194.40

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Similar ratio
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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.