Home / 19,659,105.51-27,129,691.53-10,957,829.91

Finding the Fourth Proportional to 19,659,105.51, 27,129,691.53 and 10,957,829.91

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Solution

The fourth proportional to 19,659,105.51, 27,129,691.53 and 10,957,829.91 is: 15,121,875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659,105.51 : 27,129,691.53 = 10,957,829.91 : x
  2. Step 2: Convert to fraction form
    19,659,105.51/27,129,691.53 = 10,957,829.91/x
  3. Step 3: Cross multiply
    19,659,105.51x = 27,129,691.53 × 10,957,829.91
  4. Step 4: Simplify right side
    19,659,105.51x = 297,282,545,296,507.69
  5. Step 5: Solve for x
    x = 297,282,545,296,507.69/19,659,105.51
  6. Step 6: Final answer
    x = 15,121,875.47

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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.