Home / 22,215,179.32-33,300,904.80-12,981,432.94

Finding the Fourth Proportional to 22,215,179.32, 33,300,904.80 and 12,981,432.94

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Solution

The fourth proportional to 22,215,179.32, 33,300,904.80 and 12,981,432.94 is: 19,459,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,215,179.32 : 33,300,904.80 = 12,981,432.94 : x
  2. Step 2: Convert to fraction form
    22,215,179.32/33,300,904.80 = 12,981,432.94/x
  3. Step 3: Cross multiply
    22,215,179.32x = 33,300,904.80 × 12,981,432.94
  4. Step 4: Simplify right side
    22,215,179.32x = 432,293,462,502,524.12
  5. Step 5: Solve for x
    x = 432,293,462,502,524.12/22,215,179.32
  6. Step 6: Final answer
    x = 19,459,373.08

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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.