Home / 9,777,765.12-13,493,052.60-5,367,493.72

Finding the Fourth Proportional to 9,777,765.12, 13,493,052.60 and 5,367,493.72

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Solution

The fourth proportional to 9,777,765.12, 13,493,052.60 and 5,367,493.72 is: 7,406,996.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,777,765.12 : 13,493,052.60 = 5,367,493.72 : x
  2. Step 2: Convert to fraction form
    9,777,765.12/13,493,052.60 = 5,367,493.72/x
  3. Step 3: Cross multiply
    9,777,765.12x = 13,493,052.60 × 5,367,493.72
  4. Step 4: Simplify right side
    9,777,765.12x = 72,423,875,094,129.67
  5. Step 5: Solve for x
    x = 72,423,875,094,129.67/9,777,765.12
  6. Step 6: Final answer
    x = 7,406,996.82

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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.