Home / 13,113,025.80-19,669,538.70-12,861,083.40

Finding the Fourth Proportional to 13,113,025.80, 19,669,538.70 and 12,861,083.40

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Solution

The fourth proportional to 13,113,025.80, 19,669,538.70 and 12,861,083.40 is: 19,291,625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113,025.80 : 19,669,538.70 = 12,861,083.40 : x
  2. Step 2: Convert to fraction form
    13,113,025.80/19,669,538.70 = 12,861,083.40/x
  3. Step 3: Cross multiply
    13,113,025.80x = 19,669,538.70 × 12,861,083.40
  4. Step 4: Simplify right side
    13,113,025.80x = 252,971,577,660,227.56
  5. Step 5: Solve for x
    x = 252,971,577,660,227.56/13,113,025.80
  6. Step 6: Final answer
    x = 19,291,625.10

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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.