Home / 7,639,972.56-10,544,659.80-4,378,972.92

Finding the Fourth Proportional to 7,639,972.56, 10,544,659.80 and 4,378,972.92

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Solution

The fourth proportional to 7,639,972.56, 10,544,659.80 and 4,378,972.92 is: 6,043,841.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639,972.56 : 10,544,659.80 = 4,378,972.92 : x
  2. Step 2: Convert to fraction form
    7,639,972.56/10,544,659.80 = 4,378,972.92/x
  3. Step 3: Cross multiply
    7,639,972.56x = 10,544,659.80 × 4,378,972.92
  4. Step 4: Simplify right side
    7,639,972.56x = 46,174,779,714,812.62
  5. Step 5: Solve for x
    x = 46,174,779,714,812.62/7,639,972.56
  6. Step 6: Final answer
    x = 6,043,841.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.