Home / 13,543,263.72-18,689,677.56-7,348,308.48

Finding the Fourth Proportional to 13,543,263.72, 18,689,677.56 and 7,348,308.48

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Solution

The fourth proportional to 13,543,263.72, 18,689,677.56 and 7,348,308.48 is: 10,140,651.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,543,263.72 : 18,689,677.56 = 7,348,308.48 : x
  2. Step 2: Convert to fraction form
    13,543,263.72/18,689,677.56 = 7,348,308.48/x
  3. Step 3: Cross multiply
    13,543,263.72x = 18,689,677.56 × 7,348,308.48
  4. Step 4: Simplify right side
    13,543,263.72x = 137,337,516,102,613.70
  5. Step 5: Solve for x
    x = 137,337,516,102,613.70/13,543,263.72
  6. Step 6: Final answer
    x = 10,140,651.39

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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.