Home / 8,359,976.60-12,539,964.90-7,084,518.20

Finding the Fourth Proportional to 8,359,976.60, 12,539,964.90 and 7,084,518.20

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Solution

The fourth proportional to 8,359,976.60, 12,539,964.90 and 7,084,518.20 is: 10,626,777.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359,976.60 : 12,539,964.90 = 7,084,518.20 : x
  2. Step 2: Convert to fraction form
    8,359,976.60/12,539,964.90 = 7,084,518.20/x
  3. Step 3: Cross multiply
    8,359,976.60x = 12,539,964.90 × 7,084,518.20
  4. Step 4: Simplify right side
    8,359,976.60x = 88,839,609,561,411.19
  5. Step 5: Solve for x
    x = 88,839,609,561,411.19/8,359,976.60
  6. Step 6: Final answer
    x = 10,626,777.30

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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.