Home / 9,927,761.86-13,701,690.30-5,577,179.10

Finding the Fourth Proportional to 9,927,761.86, 13,701,690.30 and 5,577,179.10

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Solution

The fourth proportional to 9,927,761.86, 13,701,690.30 and 5,577,179.10 is: 7,697,281.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927,761.86 : 13,701,690.30 = 5,577,179.10 : x
  2. Step 2: Convert to fraction form
    9,927,761.86/13,701,690.30 = 5,577,179.10/x
  3. Step 3: Cross multiply
    9,927,761.86x = 13,701,690.30 × 5,577,179.10
  4. Step 4: Simplify right side
    9,927,761.86x = 76,416,780,775,832.73
  5. Step 5: Solve for x
    x = 76,416,780,775,832.73/9,927,761.86
  6. Step 6: Final answer
    x = 7,697,281.81

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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.