Home / 6,912,032.80-10,368,049.20-3,510,810.40

Finding the Fourth Proportional to 6,912,032.80, 10,368,049.20 and 3,510,810.40

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Solution

The fourth proportional to 6,912,032.80, 10,368,049.20 and 3,510,810.40 is: 5,266,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,032.80 : 10,368,049.20 = 3,510,810.40 : x
  2. Step 2: Convert to fraction form
    6,912,032.80/10,368,049.20 = 3,510,810.40/x
  3. Step 3: Cross multiply
    6,912,032.80x = 10,368,049.20 × 3,510,810.40
  4. Step 4: Simplify right side
    6,912,032.80x = 36,400,254,959,071.68
  5. Step 5: Solve for x
    x = 36,400,254,959,071.68/6,912,032.80
  6. Step 6: Final answer
    x = 5,266,215.60

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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.