Home / 13,769,954.86-20,636,036.42-8,712,211.18

Finding the Fourth Proportional to 13,769,954.86, 20,636,036.42 and 8,712,211.18

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Solution

The fourth proportional to 13,769,954.86, 20,636,036.42 and 8,712,211.18 is: 13,056,361.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769,954.86 : 20,636,036.42 = 8,712,211.18 : x
  2. Step 2: Convert to fraction form
    13,769,954.86/20,636,036.42 = 8,712,211.18/x
  3. Step 3: Cross multiply
    13,769,954.86x = 20,636,036.42 × 8,712,211.18
  4. Step 4: Simplify right side
    13,769,954.86x = 179,785,507,209,211.19
  5. Step 5: Solve for x
    x = 179,785,507,209,211.19/13,769,954.86
  6. Step 6: Final answer
    x = 13,056,361.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.