Home / 12,687,608.95-17,508,431.27-6,886,266.13

Finding the Fourth Proportional to 12,687,608.95, 17,508,431.27 and 6,886,266.13

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Solution

The fourth proportional to 12,687,608.95, 17,508,431.27 and 6,886,266.13 is: 9,502,792.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,608.95 : 17,508,431.27 = 6,886,266.13 : x
  2. Step 2: Convert to fraction form
    12,687,608.95/17,508,431.27 = 6,886,266.13/x
  3. Step 3: Cross multiply
    12,687,608.95x = 17,508,431.27 × 6,886,266.13
  4. Step 4: Simplify right side
    12,687,608.95x = 120,567,717,283,135.09
  5. Step 5: Solve for x
    x = 120,567,717,283,135.09/12,687,608.95
  6. Step 6: Final answer
    x = 9,502,792.67

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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.