Home / 15,766,787.80-23,650,181.70-5,129,219.80

Finding the Fourth Proportional to 15,766,787.80, 23,650,181.70 and 5,129,219.80

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Solution

The fourth proportional to 15,766,787.80, 23,650,181.70 and 5,129,219.80 is: 7,693,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,766,787.80 : 23,650,181.70 = 5,129,219.80 : x
  2. Step 2: Convert to fraction form
    15,766,787.80/23,650,181.70 = 5,129,219.80/x
  3. Step 3: Cross multiply
    15,766,787.80x = 23,650,181.70 × 5,129,219.80
  4. Step 4: Simplify right side
    15,766,787.80x = 121,306,980,249,237.66
  5. Step 5: Solve for x
    x = 121,306,980,249,237.66/15,766,787.80
  6. Step 6: Final answer
    x = 7,693,829.70

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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.