Home / 22,186,921.60-30,617,364.45-12,397,446.24

Finding the Fourth Proportional to 22,186,921.60, 30,617,364.45 and 12,397,446.24

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Solution

The fourth proportional to 22,186,921.60, 30,617,364.45 and 12,397,446.24 is: 17,108,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,186,921.60 : 30,617,364.45 = 12,397,446.24 : x
  2. Step 2: Convert to fraction form
    22,186,921.60/30,617,364.45 = 12,397,446.24/x
  3. Step 3: Cross multiply
    22,186,921.60x = 30,617,364.45 × 12,397,446.24
  4. Step 4: Simplify right side
    22,186,921.60x = 379,577,129,779,362.19
  5. Step 5: Solve for x
    x = 379,577,129,779,362.19/22,186,921.60
  6. Step 6: Final answer
    x = 17,108,147.61

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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.