Home / 13,083,677.80-19,625,516.70-12,495,812.20

Finding the Fourth Proportional to 13,083,677.80, 19,625,516.70 and 12,495,812.20

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Solution

The fourth proportional to 13,083,677.80, 19,625,516.70 and 12,495,812.20 is: 18,743,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083,677.80 : 19,625,516.70 = 12,495,812.20 : x
  2. Step 2: Convert to fraction form
    13,083,677.80/19,625,516.70 = 12,495,812.20/x
  3. Step 3: Cross multiply
    13,083,677.80x = 19,625,516.70 × 12,495,812.20
  4. Step 4: Simplify right side
    13,083,677.80x = 245,236,771,011,163.72
  5. Step 5: Solve for x
    x = 245,236,771,011,163.72/13,083,677.80
  6. Step 6: Final answer
    x = 18,743,718.30

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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.