Home / 22,146,763.20-33,220,144.80-7,786,046.40

Finding the Fourth Proportional to 22,146,763.20, 33,220,144.80 and 7,786,046.40

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Solution

The fourth proportional to 22,146,763.20, 33,220,144.80 and 7,786,046.40 is: 11,679,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,146,763.20 : 33,220,144.80 = 7,786,046.40 : x
  2. Step 2: Convert to fraction form
    22,146,763.20/33,220,144.80 = 7,786,046.40/x
  3. Step 3: Cross multiply
    22,146,763.20x = 33,220,144.80 × 7,786,046.40
  4. Step 4: Simplify right side
    22,146,763.20x = 258,653,588,827,518.75
  5. Step 5: Solve for x
    x = 258,653,588,827,518.75/22,146,763.20
  6. Step 6: Final answer
    x = 11,679,069.60

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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.