Home / 9,766,675.20-14,650,012.80-7,877,107.20

Finding the Fourth Proportional to 9,766,675.20, 14,650,012.80 and 7,877,107.20

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Solution

The fourth proportional to 9,766,675.20, 14,650,012.80 and 7,877,107.20 is: 11,815,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,766,675.20 : 14,650,012.80 = 7,877,107.20 : x
  2. Step 2: Convert to fraction form
    9,766,675.20/14,650,012.80 = 7,877,107.20/x
  3. Step 3: Cross multiply
    9,766,675.20x = 14,650,012.80 × 7,877,107.20
  4. Step 4: Simplify right side
    9,766,675.20x = 115,399,721,306,972.17
  5. Step 5: Solve for x
    x = 115,399,721,306,972.17/9,766,675.20
  6. Step 6: Final answer
    x = 11,815,660.80

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Double scale
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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.