Home / 12,791,465.46-17,652,268.44-6,990,248.16

Finding the Fourth Proportional to 12,791,465.46, 17,652,268.44 and 6,990,248.16

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Solution

The fourth proportional to 12,791,465.46, 17,652,268.44 and 6,990,248.16 is: 9,646,567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791,465.46 : 17,652,268.44 = 6,990,248.16 : x
  2. Step 2: Convert to fraction form
    12,791,465.46/17,652,268.44 = 6,990,248.16/x
  3. Step 3: Cross multiply
    12,791,465.46x = 17,652,268.44 × 6,990,248.16
  4. Step 4: Simplify right side
    12,791,465.46x = 123,393,736,982,536.08
  5. Step 5: Solve for x
    x = 123,393,736,982,536.08/12,791,465.46
  6. Step 6: Final answer
    x = 9,646,567.66

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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.