Home / 7,492,892.80-11,239,339.20-5,603,324.80

Finding the Fourth Proportional to 7,492,892.80, 11,239,339.20 and 5,603,324.80

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Solution

The fourth proportional to 7,492,892.80, 11,239,339.20 and 5,603,324.80 is: 8,404,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492,892.80 : 11,239,339.20 = 5,603,324.80 : x
  2. Step 2: Convert to fraction form
    7,492,892.80/11,239,339.20 = 5,603,324.80/x
  3. Step 3: Cross multiply
    7,492,892.80x = 11,239,339.20 × 5,603,324.80
  4. Step 4: Simplify right side
    7,492,892.80x = 62,977,668,074,972.16
  5. Step 5: Solve for x
    x = 62,977,668,074,972.16/7,492,892.80
  6. Step 6: Final answer
    x = 8,404,987.20

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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.