Home / 12,507,380.74-17,258,735.10-7,001,063.92

Finding the Fourth Proportional to 12,507,380.74, 17,258,735.10 and 7,001,063.92

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Solution

The fourth proportional to 12,507,380.74, 17,258,735.10 and 7,001,063.92 is: 9,660,656.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507,380.74 : 17,258,735.10 = 7,001,063.92 : x
  2. Step 2: Convert to fraction form
    12,507,380.74/17,258,735.10 = 7,001,063.92/x
  3. Step 3: Cross multiply
    12,507,380.74x = 17,258,735.10 × 7,001,063.92
  4. Step 4: Simplify right side
    12,507,380.74x = 120,829,507,613,447.59
  5. Step 5: Solve for x
    x = 120,829,507,613,447.59/12,507,380.74
  6. Step 6: Final answer
    x = 9,660,656.39

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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.