Home / 12,996,176.15-17,934,727.35-7,116,182.96

Finding the Fourth Proportional to 12,996,176.15, 17,934,727.35 and 7,116,182.96

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Solution

The fourth proportional to 12,996,176.15, 17,934,727.35 and 7,116,182.96 is: 9,820,334.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996,176.15 : 17,934,727.35 = 7,116,182.96 : x
  2. Step 2: Convert to fraction form
    12,996,176.15/17,934,727.35 = 7,116,182.96/x
  3. Step 3: Cross multiply
    12,996,176.15x = 17,934,727.35 × 7,116,182.96
  4. Step 4: Simplify right side
    12,996,176.15x = 127,626,801,160,315.97
  5. Step 5: Solve for x
    x = 127,626,801,160,315.97/12,996,176.15
  6. Step 6: Final answer
    x = 9,820,334.82

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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.