Home / 12,947,364.93-17,866,091.53-7,145,773.00

Finding the Fourth Proportional to 12,947,364.93, 17,866,091.53 and 7,145,773.00

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Solution

The fourth proportional to 12,947,364.93, 17,866,091.53 and 7,145,773.00 is: 9,860,464.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947,364.93 : 17,866,091.53 = 7,145,773.00 : x
  2. Step 2: Convert to fraction form
    12,947,364.93/17,866,091.53 = 7,145,773.00/x
  3. Step 3: Cross multiply
    12,947,364.93x = 17,866,091.53 × 7,145,773.00
  4. Step 4: Simplify right side
    12,947,364.93x = 127,667,034,535,366.44
  5. Step 5: Solve for x
    x = 127,667,034,535,366.44/12,947,364.93
  6. Step 6: Final answer
    x = 9,860,464.68

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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.