Home / 7,359,215.40-11,038,823.10-5,763,142.80

Finding the Fourth Proportional to 7,359,215.40, 11,038,823.10 and 5,763,142.80

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Solution

The fourth proportional to 7,359,215.40, 11,038,823.10 and 5,763,142.80 is: 8,644,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359,215.40 : 11,038,823.10 = 5,763,142.80 : x
  2. Step 2: Convert to fraction form
    7,359,215.40/11,038,823.10 = 5,763,142.80/x
  3. Step 3: Cross multiply
    7,359,215.40x = 11,038,823.10 × 5,763,142.80
  4. Step 4: Simplify right side
    7,359,215.40x = 63,618,313,869,238.68
  5. Step 5: Solve for x
    x = 63,618,313,869,238.68/7,359,215.40
  6. Step 6: Final answer
    x = 8,644,714.20

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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.