Home / 8,731,731.12-12,043,333.86-6,407,838.58

Finding the Fourth Proportional to 8,731,731.12, 12,043,333.86 and 6,407,838.58

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Solution

The fourth proportional to 8,731,731.12, 12,043,333.86 and 6,407,838.58 is: 8,838,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731,731.12 : 12,043,333.86 = 6,407,838.58 : x
  2. Step 2: Convert to fraction form
    8,731,731.12/12,043,333.86 = 6,407,838.58/x
  3. Step 3: Cross multiply
    8,731,731.12x = 12,043,333.86 × 6,407,838.58
  4. Step 4: Simplify right side
    8,731,731.12x = 77,171,739,339,928.31
  5. Step 5: Solve for x
    x = 77,171,739,339,928.31/8,731,731.12
  6. Step 6: Final answer
    x = 8,838,080.13

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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.