Home / 8,799,643.80-13,199,465.70-7,949,338.20

Finding the Fourth Proportional to 8,799,643.80, 13,199,465.70 and 7,949,338.20

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Solution

The fourth proportional to 8,799,643.80, 13,199,465.70 and 7,949,338.20 is: 11,924,007.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799,643.80 : 13,199,465.70 = 7,949,338.20 : x
  2. Step 2: Convert to fraction form
    8,799,643.80/13,199,465.70 = 7,949,338.20/x
  3. Step 3: Cross multiply
    8,799,643.80x = 13,199,465.70 × 7,949,338.20
  4. Step 4: Simplify right side
    8,799,643.80x = 104,927,016,908,599.73
  5. Step 5: Solve for x
    x = 104,927,016,908,599.73/8,799,643.80
  6. Step 6: Final answer
    x = 11,924,007.30

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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.