Home / 11,976,345.40-17,966,850.90-5,152,905.40

Finding the Fourth Proportional to 11,976,345.40, 17,966,850.90 and 5,152,905.40

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Solution

The fourth proportional to 11,976,345.40, 17,966,850.90 and 5,152,905.40 is: 7,730,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976,345.40 : 17,966,850.90 = 5,152,905.40 : x
  2. Step 2: Convert to fraction form
    11,976,345.40/17,966,850.90 = 5,152,905.40/x
  3. Step 3: Cross multiply
    11,976,345.40x = 17,966,850.90 × 5,152,905.40
  4. Step 4: Simplify right side
    11,976,345.40x = 92,581,483,023,604.86
  5. Step 5: Solve for x
    x = 92,581,483,023,604.86/11,976,345.40
  6. Step 6: Final answer
    x = 7,730,361.80

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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.