Home / 15,299,504.35-21,113,834.19-8,330,452.18

Finding the Fourth Proportional to 15,299,504.35, 21,113,834.19 and 8,330,452.18

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Solution

The fourth proportional to 15,299,504.35, 21,113,834.19 and 8,330,452.18 is: 11,496,306.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,299,504.35 : 21,113,834.19 = 8,330,452.18 : x
  2. Step 2: Convert to fraction form
    15,299,504.35/21,113,834.19 = 8,330,452.18/x
  3. Step 3: Cross multiply
    15,299,504.35x = 21,113,834.19 × 8,330,452.18
  4. Step 4: Simplify right side
    15,299,504.35x = 175,887,786,003,459.47
  5. Step 5: Solve for x
    x = 175,887,786,003,459.47/15,299,504.35
  6. Step 6: Final answer
    x = 11,496,306.16

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.