Home / 8,018,999.20-12,038,763.12-6,888,990.88

Finding the Fourth Proportional to 8,018,999.20, 12,038,763.12 and 6,888,990.88

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Solution

The fourth proportional to 8,018,999.20, 12,038,763.12 and 6,888,990.88 is: 10,342,304.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018,999.20 : 12,038,763.12 = 6,888,990.88 : x
  2. Step 2: Convert to fraction form
    8,018,999.20/12,038,763.12 = 6,888,990.88/x
  3. Step 3: Cross multiply
    8,018,999.20x = 12,038,763.12 × 6,888,990.88
  4. Step 4: Simplify right side
    8,018,999.20x = 82,934,929,340,160.34
  5. Step 5: Solve for x
    x = 82,934,929,340,160.34/8,018,999.20
  6. Step 6: Final answer
    x = 10,342,304.23

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1.5x scale

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.