Home / 20,627,889.96-28,467,373.80-11,460,532.68

Finding the Fourth Proportional to 20,627,889.96, 28,467,373.80 and 11,460,532.68

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Solution

The fourth proportional to 20,627,889.96, 28,467,373.80 and 11,460,532.68 is: 15,816,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627,889.96 : 28,467,373.80 = 11,460,532.68 : x
  2. Step 2: Convert to fraction form
    20,627,889.96/28,467,373.80 = 11,460,532.68/x
  3. Step 3: Cross multiply
    20,627,889.96x = 28,467,373.80 × 11,460,532.68
  4. Step 4: Simplify right side
    20,627,889.96x = 326,251,267,748,675.81
  5. Step 5: Solve for x
    x = 326,251,267,748,675.81/20,627,889.96
  6. Step 6: Final answer
    x = 15,816,027.15

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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.