Home / 7,176,791.40-9,904,211.19-3,913,784.70

Finding the Fourth Proportional to 7,176,791.40, 9,904,211.19 and 3,913,784.70

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Solution

The fourth proportional to 7,176,791.40, 9,904,211.19 and 3,913,784.70 is: 5,401,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176,791.40 : 9,904,211.19 = 3,913,784.70 : x
  2. Step 2: Convert to fraction form
    7,176,791.40/9,904,211.19 = 3,913,784.70/x
  3. Step 3: Cross multiply
    7,176,791.40x = 9,904,211.19 × 3,913,784.70
  4. Step 4: Simplify right side
    7,176,791.40x = 38,762,950,220,990.79
  5. Step 5: Solve for x
    x = 38,762,950,220,990.79/7,176,791.40
  6. Step 6: Final answer
    x = 5,401,153.25

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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.