Home / 9,172,846.80-13,759,270.20-7,913,134.80

Finding the Fourth Proportional to 9,172,846.80, 13,759,270.20 and 7,913,134.80

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Solution

The fourth proportional to 9,172,846.80, 13,759,270.20 and 7,913,134.80 is: 11,869,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172,846.80 : 13,759,270.20 = 7,913,134.80 : x
  2. Step 2: Convert to fraction form
    9,172,846.80/13,759,270.20 = 7,913,134.80/x
  3. Step 3: Cross multiply
    9,172,846.80x = 13,759,270.20 × 7,913,134.80
  4. Step 4: Simplify right side
    9,172,846.80x = 108,878,959,842,222.95
  5. Step 5: Solve for x
    x = 108,878,959,842,222.95/9,172,846.80
  6. Step 6: Final answer
    x = 11,869,702.20

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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.