Home / 13,305,470.10-19,958,205.15-11,959,152.90

Finding the Fourth Proportional to 13,305,470.10, 19,958,205.15 and 11,959,152.90

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Solution

The fourth proportional to 13,305,470.10, 19,958,205.15 and 11,959,152.90 is: 17,938,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,470.10 : 19,958,205.15 = 11,959,152.90 : x
  2. Step 2: Convert to fraction form
    13,305,470.10/19,958,205.15 = 11,959,152.90/x
  3. Step 3: Cross multiply
    13,305,470.10x = 19,958,205.15 × 11,959,152.90
  4. Step 4: Simplify right side
    13,305,470.10x = 238,683,226,998,417.44
  5. Step 5: Solve for x
    x = 238,683,226,998,417.44/13,305,470.10
  6. Step 6: Final answer
    x = 17,938,729.35

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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.