Home / 13,259,267.18-19,851,947.46-6,768,379.66

Finding the Fourth Proportional to 13,259,267.18, 19,851,947.46 and 6,768,379.66

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Solution

The fourth proportional to 13,259,267.18, 19,851,947.46 and 6,768,379.66 is: 10,133,706.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259,267.18 : 19,851,947.46 = 6,768,379.66 : x
  2. Step 2: Convert to fraction form
    13,259,267.18/19,851,947.46 = 6,768,379.66/x
  3. Step 3: Cross multiply
    13,259,267.18x = 19,851,947.46 × 6,768,379.66
  4. Step 4: Simplify right side
    13,259,267.18x = 134,365,517,365,810.75
  5. Step 5: Solve for x
    x = 134,365,517,365,810.75/13,259,267.18
  6. Step 6: Final answer
    x = 10,133,706.15

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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.