Home / 7,972,671.20-11,960,756.40-2,581,570.40

Finding the Fourth Proportional to 7,972,671.20, 11,960,756.40 and 2,581,570.40

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Solution

The fourth proportional to 7,972,671.20, 11,960,756.40 and 2,581,570.40 is: 3,872,922.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972,671.20 : 11,960,756.40 = 2,581,570.40 : x
  2. Step 2: Convert to fraction form
    7,972,671.20/11,960,756.40 = 2,581,570.40/x
  3. Step 3: Cross multiply
    7,972,671.20x = 11,960,756.40 × 2,581,570.40
  4. Step 4: Simplify right side
    7,972,671.20x = 30,877,534,683,850.56
  5. Step 5: Solve for x
    x = 30,877,534,683,850.56/7,972,671.20
  6. Step 6: Final answer
    x = 3,872,922.12

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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.