Home / 15,036,218.88-20,750,181.12-8,160,783.36

Finding the Fourth Proportional to 15,036,218.88, 20,750,181.12 and 8,160,783.36

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Solution

The fourth proportional to 15,036,218.88, 20,750,181.12 and 8,160,783.36 is: 11,261,989.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,218.88 : 20,750,181.12 = 8,160,783.36 : x
  2. Step 2: Convert to fraction form
    15,036,218.88/20,750,181.12 = 8,160,783.36/x
  3. Step 3: Cross multiply
    15,036,218.88x = 20,750,181.12 × 8,160,783.36
  4. Step 4: Simplify right side
    15,036,218.88x = 169,337,732,801,082.19
  5. Step 5: Solve for x
    x = 169,337,732,801,082.19/15,036,218.88
  6. Step 6: Final answer
    x = 11,261,989.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.