Home / 12,886,513.40-17,782,329.03-7,587,365.96

Finding the Fourth Proportional to 12,886,513.40, 17,782,329.03 and 7,587,365.96

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Solution

The fourth proportional to 12,886,513.40, 17,782,329.03 and 7,587,365.96 is: 10,469,941.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886,513.40 : 17,782,329.03 = 7,587,365.96 : x
  2. Step 2: Convert to fraction form
    12,886,513.40/17,782,329.03 = 7,587,365.96/x
  3. Step 3: Cross multiply
    12,886,513.40x = 17,782,329.03 × 7,587,365.96
  4. Step 4: Simplify right side
    12,886,513.40x = 134,921,037,882,830.19
  5. Step 5: Solve for x
    x = 134,921,037,882,830.19/12,886,513.40
  6. Step 6: Final answer
    x = 10,469,941.23

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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.