Home / 7,980,265.20-11,962,524.60-3,933,440.40

Finding the Fourth Proportional to 7,980,265.20, 11,962,524.60 and 3,933,440.40

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Solution

The fourth proportional to 7,980,265.20, 11,962,524.60 and 3,933,440.40 is: 5,896,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980,265.20 : 11,962,524.60 = 3,933,440.40 : x
  2. Step 2: Convert to fraction form
    7,980,265.20/11,962,524.60 = 3,933,440.40/x
  3. Step 3: Cross multiply
    7,980,265.20x = 11,962,524.60 × 3,933,440.40
  4. Step 4: Simplify right side
    7,980,265.20x = 47,053,877,547,633.84
  5. Step 5: Solve for x
    x = 47,053,877,547,633.84/7,980,265.20
  6. Step 6: Final answer
    x = 5,896,279.93

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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.