Home / 8,316,077.80-12,481,989.90-7,119,351.40

Finding the Fourth Proportional to 8,316,077.80, 12,481,989.90 and 7,119,351.40

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Solution

The fourth proportional to 8,316,077.80, 12,481,989.90 and 7,119,351.40 is: 10,685,767.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,077.80 : 12,481,989.90 = 7,119,351.40 : x
  2. Step 2: Convert to fraction form
    8,316,077.80/12,481,989.90 = 7,119,351.40/x
  3. Step 3: Cross multiply
    8,316,077.80x = 12,481,989.90 × 7,119,351.40
  4. Step 4: Simplify right side
    8,316,077.80x = 88,863,672,269,350.88
  5. Step 5: Solve for x
    x = 88,863,672,269,350.88/8,316,077.80
  6. Step 6: Final answer
    x = 10,685,767.31

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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.