Home / 12,246,389.40-18,361,710.90-5,060,782.20

Finding the Fourth Proportional to 12,246,389.40, 18,361,710.90 and 5,060,782.20

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Solution

The fourth proportional to 12,246,389.40, 18,361,710.90 and 5,060,782.20 is: 7,587,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246,389.40 : 18,361,710.90 = 5,060,782.20 : x
  2. Step 2: Convert to fraction form
    12,246,389.40/18,361,710.90 = 5,060,782.20/x
  3. Step 3: Cross multiply
    12,246,389.40x = 18,361,710.90 × 5,060,782.20
  4. Step 4: Simplify right side
    12,246,389.40x = 92,924,619,684,265.97
  5. Step 5: Solve for x
    x = 92,924,619,684,265.97/12,246,389.40
  6. Step 6: Final answer
    x = 7,587,919.72

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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.