Home / 7,352,601.40-11,028,902.10-5,651,990.20

Finding the Fourth Proportional to 7,352,601.40, 11,028,902.10 and 5,651,990.20

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Solution

The fourth proportional to 7,352,601.40, 11,028,902.10 and 5,651,990.20 is: 8,477,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352,601.40 : 11,028,902.10 = 5,651,990.20 : x
  2. Step 2: Convert to fraction form
    7,352,601.40/11,028,902.10 = 5,651,990.20/x
  3. Step 3: Cross multiply
    7,352,601.40x = 11,028,902.10 × 5,651,990.20
  4. Step 4: Simplify right side
    7,352,601.40x = 62,335,246,585,959.42
  5. Step 5: Solve for x
    x = 62,335,246,585,959.42/7,352,601.40
  6. Step 6: Final answer
    x = 8,477,985.30

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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.