Home / 8,889,468.80-13,334,203.20-6,649,980.80

Finding the Fourth Proportional to 8,889,468.80, 13,334,203.20 and 6,649,980.80

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Solution

The fourth proportional to 8,889,468.80, 13,334,203.20 and 6,649,980.80 is: 9,974,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,468.80 : 13,334,203.20 = 6,649,980.80 : x
  2. Step 2: Convert to fraction form
    8,889,468.80/13,334,203.20 = 6,649,980.80/x
  3. Step 3: Cross multiply
    8,889,468.80x = 13,334,203.20 × 6,649,980.80
  4. Step 4: Simplify right side
    8,889,468.80x = 88,672,195,263,298.55
  5. Step 5: Solve for x
    x = 88,672,195,263,298.55/8,889,468.80
  6. Step 6: Final answer
    x = 9,974,971.20

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Double scale
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Similar ratio
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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.