Home / 22,128,212.10-33,192,318.15-20,711,036.10

Finding the Fourth Proportional to 22,128,212.10, 33,192,318.15 and 20,711,036.10

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Solution

The fourth proportional to 22,128,212.10, 33,192,318.15 and 20,711,036.10 is: 31,066,554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128,212.10 : 33,192,318.15 = 20,711,036.10 : x
  2. Step 2: Convert to fraction form
    22,128,212.10/33,192,318.15 = 20,711,036.10/x
  3. Step 3: Cross multiply
    22,128,212.10x = 33,192,318.15 × 20,711,036.10
  4. Step 4: Simplify right side
    22,128,212.10x = 687,447,299,447,335.25
  5. Step 5: Solve for x
    x = 687,447,299,447,335.25/22,128,212.10
  6. Step 6: Final answer
    x = 31,066,554.15

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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.