Home / 12,708,891-17,526,199.50-8,361,666.36

Finding the Fourth Proportional to 12,708,891, 17,526,199.50 and 8,361,666.36

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Solution

The fourth proportional to 12,708,891, 17,526,199.50 and 8,361,666.36 is: 11,531,158.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708,891 : 17,526,199.50 = 8,361,666.36 : x
  2. Step 2: Convert to fraction form
    12,708,891/17,526,199.50 = 8,361,666.36/x
  3. Step 3: Cross multiply
    12,708,891x = 17,526,199.50 × 8,361,666.36
  4. Step 4: Simplify right side
    12,708,891x = 146,548,232,777,798.81
  5. Step 5: Solve for x
    x = 146,548,232,777,798.81/12,708,891
  6. Step 6: Final answer
    x = 11,531,158.21

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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.