Home / 13,407,677.80-18,511,852.26-12,551,073.64

Finding the Fourth Proportional to 13,407,677.80, 18,511,852.26 and 12,551,073.64

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Solution

The fourth proportional to 13,407,677.80, 18,511,852.26 and 12,551,073.64 is: 17,329,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407,677.80 : 18,511,852.26 = 12,551,073.64 : x
  2. Step 2: Convert to fraction form
    13,407,677.80/18,511,852.26 = 12,551,073.64/x
  3. Step 3: Cross multiply
    13,407,677.80x = 18,511,852.26 × 12,551,073.64
  4. Step 4: Simplify right side
    13,407,677.80x = 232,343,620,928,060.47
  5. Step 5: Solve for x
    x = 232,343,620,928,060.47/13,407,677.80
  6. Step 6: Final answer
    x = 17,329,147.10

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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.