Home / 13,338,748.14-18,407,484.56-7,227,176.64

Finding the Fourth Proportional to 13,338,748.14, 18,407,484.56 and 7,227,176.64

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Solution

The fourth proportional to 13,338,748.14, 18,407,484.56 and 7,227,176.64 is: 9,973,510.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,748.14 : 18,407,484.56 = 7,227,176.64 : x
  2. Step 2: Convert to fraction form
    13,338,748.14/18,407,484.56 = 7,227,176.64/x
  3. Step 3: Cross multiply
    13,338,748.14x = 18,407,484.56 × 7,227,176.64
  4. Step 4: Simplify right side
    13,338,748.14x = 133,034,142,413,192.66
  5. Step 5: Solve for x
    x = 133,034,142,413,192.66/13,338,748.14
  6. Step 6: Final answer
    x = 9,973,510.33

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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.