Home / 15,012,756.96-20,717,100.64-8,897,555.04

Finding the Fourth Proportional to 15,012,756.96, 20,717,100.64 and 8,897,555.04

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Solution

The fourth proportional to 15,012,756.96, 20,717,100.64 and 8,897,555.04 is: 12,278,327.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012,756.96 : 20,717,100.64 = 8,897,555.04 : x
  2. Step 2: Convert to fraction form
    15,012,756.96/20,717,100.64 = 8,897,555.04/x
  3. Step 3: Cross multiply
    15,012,756.96x = 20,717,100.64 × 8,897,555.04
  4. Step 4: Simplify right side
    15,012,756.96x = 184,331,543,213,619.22
  5. Step 5: Solve for x
    x = 184,331,543,213,619.22/15,012,756.96
  6. Step 6: Final answer
    x = 12,278,327.27

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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.