Home / 6,912,615.30-10,368,922.95-4,390,080.90

Finding the Fourth Proportional to 6,912,615.30, 10,368,922.95 and 4,390,080.90

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Solution

The fourth proportional to 6,912,615.30, 10,368,922.95 and 4,390,080.90 is: 6,585,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,615.30 : 10,368,922.95 = 4,390,080.90 : x
  2. Step 2: Convert to fraction form
    6,912,615.30/10,368,922.95 = 4,390,080.90/x
  3. Step 3: Cross multiply
    6,912,615.30x = 10,368,922.95 × 4,390,080.90
  4. Step 4: Simplify right side
    6,912,615.30x = 45,520,410,596,366.66
  5. Step 5: Solve for x
    x = 45,520,410,596,366.66/6,912,615.30
  6. Step 6: Final answer
    x = 6,585,121.35

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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.