Home / 13,013,434.68-17,958,541.55-7,212,590.92

Finding the Fourth Proportional to 13,013,434.68, 17,958,541.55 and 7,212,590.92

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Solution

The fourth proportional to 13,013,434.68, 17,958,541.55 and 7,212,590.92 is: 9,953,376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,434.68 : 17,958,541.55 = 7,212,590.92 : x
  2. Step 2: Convert to fraction form
    13,013,434.68/17,958,541.55 = 7,212,590.92/x
  3. Step 3: Cross multiply
    13,013,434.68x = 17,958,541.55 × 7,212,590.92
  4. Step 4: Simplify right side
    13,013,434.68x = 129,527,613,719,972.73
  5. Step 5: Solve for x
    x = 129,527,613,719,972.73/13,013,434.68
  6. Step 6: Final answer
    x = 9,953,376.41

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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.