Home / 11,921,800.40-17,877,320.52-3,400,111.28

Finding the Fourth Proportional to 11,921,800.40, 17,877,320.52 and 3,400,111.28

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Solution

The fourth proportional to 11,921,800.40, 17,877,320.52 and 3,400,111.28 is: 5,098,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,921,800.40 : 17,877,320.52 = 3,400,111.28 : x
  2. Step 2: Convert to fraction form
    11,921,800.40/17,877,320.52 = 3,400,111.28/x
  3. Step 3: Cross multiply
    11,921,800.40x = 17,877,320.52 × 3,400,111.28
  4. Step 4: Simplify right side
    11,921,800.40x = 60,784,879,156,227.46
  5. Step 5: Solve for x
    x = 60,784,879,156,227.46/11,921,800.40
  6. Step 6: Final answer
    x = 5,098,632.51

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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.