Home / 12,881,145.22-17,776,019.19-7,080,521.38

Finding the Fourth Proportional to 12,881,145.22, 17,776,019.19 and 7,080,521.38

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Solution

The fourth proportional to 12,881,145.22, 17,776,019.19 and 7,080,521.38 is: 9,771,140.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,881,145.22 : 17,776,019.19 = 7,080,521.38 : x
  2. Step 2: Convert to fraction form
    12,881,145.22/17,776,019.19 = 7,080,521.38/x
  3. Step 3: Cross multiply
    12,881,145.22x = 17,776,019.19 × 7,080,521.38
  4. Step 4: Simplify right side
    12,881,145.22x = 125,863,483,926,085.30
  5. Step 5: Solve for x
    x = 125,863,483,926,085.30/12,881,145.22
  6. Step 6: Final answer
    x = 9,771,140.82

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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.