Home / 8,782,577.60-12,127,396.88-5,520,442.88

Finding the Fourth Proportional to 8,782,577.60, 12,127,396.88 and 5,520,442.88

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Solution

The fourth proportional to 8,782,577.60, 12,127,396.88 and 5,520,442.88 is: 7,622,887.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782,577.60 : 12,127,396.88 = 5,520,442.88 : x
  2. Step 2: Convert to fraction form
    8,782,577.60/12,127,396.88 = 5,520,442.88/x
  3. Step 3: Cross multiply
    8,782,577.60x = 12,127,396.88 × 5,520,442.88
  4. Step 4: Simplify right side
    8,782,577.60x = 66,948,601,759,130.22
  5. Step 5: Solve for x
    x = 66,948,601,759,130.22/8,782,577.60
  6. Step 6: Final answer
    x = 7,622,887.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.