Home / 14,171,775.51-19,557,691.13-7,978,950.14

Finding the Fourth Proportional to 14,171,775.51, 19,557,691.13 and 7,978,950.14

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Solution

The fourth proportional to 14,171,775.51, 19,557,691.13 and 7,978,950.14 is: 11,011,312.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171,775.51 : 19,557,691.13 = 7,978,950.14 : x
  2. Step 2: Convert to fraction form
    14,171,775.51/19,557,691.13 = 7,978,950.14/x
  3. Step 3: Cross multiply
    14,171,775.51x = 19,557,691.13 × 7,978,950.14
  4. Step 4: Simplify right side
    14,171,775.51x = 156,049,842,301,949.19
  5. Step 5: Solve for x
    x = 156,049,842,301,949.19/14,171,775.51
  6. Step 6: Final answer
    x = 11,011,312.04

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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.