Home / 8,316,076.80-12,481,988.40-7,119,350.40

Finding the Fourth Proportional to 8,316,076.80, 12,481,988.40 and 7,119,350.40

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Solution

The fourth proportional to 8,316,076.80, 12,481,988.40 and 7,119,350.40 is: 10,685,765.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,076.80 : 12,481,988.40 = 7,119,350.40 : x
  2. Step 2: Convert to fraction form
    8,316,076.80/12,481,988.40 = 7,119,350.40/x
  3. Step 3: Cross multiply
    8,316,076.80x = 12,481,988.40 × 7,119,350.40
  4. Step 4: Simplify right side
    8,316,076.80x = 88,863,649,108,335.38
  5. Step 5: Solve for x
    x = 88,863,649,108,335.38/8,316,076.80
  6. Step 6: Final answer
    x = 10,685,765.81

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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.