Home / 9,015,458.11-13,490,861.86-7,805,197.69

Finding the Fourth Proportional to 9,015,458.11, 13,490,861.86 and 7,805,197.69

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Solution

The fourth proportional to 9,015,458.11, 13,490,861.86 and 7,805,197.69 is: 11,679,810.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015,458.11 : 13,490,861.86 = 7,805,197.69 : x
  2. Step 2: Convert to fraction form
    9,015,458.11/13,490,861.86 = 7,805,197.69/x
  3. Step 3: Cross multiply
    9,015,458.11x = 13,490,861.86 × 7,805,197.69
  4. Step 4: Simplify right side
    9,015,458.11x = 105,298,843,825,781.11
  5. Step 5: Solve for x
    x = 105,298,843,825,781.11/9,015,458.11
  6. Step 6: Final answer
    x = 11,679,810.67

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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.