Home / 22,147,981.60-33,221,972.40-19,118,767.90

Finding the Fourth Proportional to 22,147,981.60, 33,221,972.40 and 19,118,767.90

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Solution

The fourth proportional to 22,147,981.60, 33,221,972.40 and 19,118,767.90 is: 28,678,151.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147,981.60 : 33,221,972.40 = 19,118,767.90 : x
  2. Step 2: Convert to fraction form
    22,147,981.60/33,221,972.40 = 19,118,767.90/x
  3. Step 3: Cross multiply
    22,147,981.60x = 33,221,972.40 × 19,118,767.90
  4. Step 4: Simplify right side
    22,147,981.60x = 635,163,179,495,805.88
  5. Step 5: Solve for x
    x = 635,163,179,495,805.88/22,147,981.60
  6. Step 6: Final answer
    x = 28,678,151.85

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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.