Home / 6,921,392.24-9,551,232.18-3,980,985.72

Finding the Fourth Proportional to 6,921,392.24, 9,551,232.18 and 3,980,985.72

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Solution

The fourth proportional to 6,921,392.24, 9,551,232.18 and 3,980,985.72 is: 5,493,594.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921,392.24 : 9,551,232.18 = 3,980,985.72 : x
  2. Step 2: Convert to fraction form
    6,921,392.24/9,551,232.18 = 3,980,985.72/x
  3. Step 3: Cross multiply
    6,921,392.24x = 9,551,232.18 × 3,980,985.72
  4. Step 4: Simplify right side
    6,921,392.24x = 38,023,318,916,984.47
  5. Step 5: Solve for x
    x = 38,023,318,916,984.47/6,921,392.24
  6. Step 6: Final answer
    x = 5,493,594.01

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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.