Home / 13,111,248.30-19,666,872.45-8,009,414.70

Finding the Fourth Proportional to 13,111,248.30, 19,666,872.45 and 8,009,414.70

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Solution

The fourth proportional to 13,111,248.30, 19,666,872.45 and 8,009,414.70 is: 12,014,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,111,248.30 : 19,666,872.45 = 8,009,414.70 : x
  2. Step 2: Convert to fraction form
    13,111,248.30/19,666,872.45 = 8,009,414.70/x
  3. Step 3: Cross multiply
    13,111,248.30x = 19,666,872.45 × 8,009,414.70
  4. Step 4: Simplify right side
    13,111,248.30x = 157,520,137,304,055
  5. Step 5: Solve for x
    x = 157,520,137,304,055/13,111,248.30
  6. Step 6: Final answer
    x = 12,014,122.05

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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.