Home / 8,170,889.60-12,229,762.35-6,363,990.20

Finding the Fourth Proportional to 8,170,889.60, 12,229,762.35 and 6,363,990.20

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Solution

The fourth proportional to 8,170,889.60, 12,229,762.35 and 6,363,990.20 is: 9,525,289.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170,889.60 : 12,229,762.35 = 6,363,990.20 : x
  2. Step 2: Convert to fraction form
    8,170,889.60/12,229,762.35 = 6,363,990.20/x
  3. Step 3: Cross multiply
    8,170,889.60x = 12,229,762.35 × 6,363,990.20
  4. Step 4: Simplify right side
    8,170,889.60x = 77,830,087,743,728.97
  5. Step 5: Solve for x
    x = 77,830,087,743,728.97/8,170,889.60
  6. Step 6: Final answer
    x = 9,525,289.36

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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.