Home / 8,007,731.56-12,011,594.37-3,215,419.35

Finding the Fourth Proportional to 8,007,731.56, 12,011,594.37 and 3,215,419.35

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Solution

The fourth proportional to 8,007,731.56, 12,011,594.37 and 3,215,419.35 is: 4,823,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007,731.56 : 12,011,594.37 = 3,215,419.35 : x
  2. Step 2: Convert to fraction form
    8,007,731.56/12,011,594.37 = 3,215,419.35/x
  3. Step 3: Cross multiply
    8,007,731.56x = 12,011,594.37 × 3,215,419.35
  4. Step 4: Simplify right side
    8,007,731.56x = 38,622,312,961,649.05
  5. Step 5: Solve for x
    x = 38,622,312,961,649.05/8,007,731.56
  6. Step 6: Final answer
    x = 4,823,127.83

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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.