Home / 12,120,066.65-16,726,095.11-6,613,743.53

Finding the Fourth Proportional to 12,120,066.65, 16,726,095.11 and 6,613,743.53

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Solution

The fourth proportional to 12,120,066.65, 16,726,095.11 and 6,613,743.53 is: 9,127,186.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,066.65 : 16,726,095.11 = 6,613,743.53 : x
  2. Step 2: Convert to fraction form
    12,120,066.65/16,726,095.11 = 6,613,743.53/x
  3. Step 3: Cross multiply
    12,120,066.65x = 16,726,095.11 × 6,613,743.53
  4. Step 4: Simplify right side
    12,120,066.65x = 110,622,103,374,276.73
  5. Step 5: Solve for x
    x = 110,622,103,374,276.73/12,120,066.65
  6. Step 6: Final answer
    x = 9,127,186.06

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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.