Home / 8,991,726.95-12,405,750.34-5,503,429.19

Finding the Fourth Proportional to 8,991,726.95, 12,405,750.34 and 5,503,429.19

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Solution

The fourth proportional to 8,991,726.95, 12,405,750.34 and 5,503,429.19 is: 7,592,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,726.95 : 12,405,750.34 = 5,503,429.19 : x
  2. Step 2: Convert to fraction form
    8,991,726.95/12,405,750.34 = 5,503,429.19/x
  3. Step 3: Cross multiply
    8,991,726.95x = 12,405,750.34 × 5,503,429.19
  4. Step 4: Simplify right side
    8,991,726.95x = 68,274,168,513,177.33
  5. Step 5: Solve for x
    x = 68,274,168,513,177.33/8,991,726.95
  6. Step 6: Final answer
    x = 7,592,998.42

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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.