Home / 13,858,274.13-20,769,433.65-6,170,980.47

Finding the Fourth Proportional to 13,858,274.13, 20,769,433.65 and 6,170,980.47

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Solution

The fourth proportional to 13,858,274.13, 20,769,433.65 and 6,170,980.47 is: 9,248,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858,274.13 : 20,769,433.65 = 6,170,980.47 : x
  2. Step 2: Convert to fraction form
    13,858,274.13/20,769,433.65 = 6,170,980.47/x
  3. Step 3: Cross multiply
    13,858,274.13x = 20,769,433.65 × 6,170,980.47
  4. Step 4: Simplify right side
    13,858,274.13x = 128,167,769,427,110.80
  5. Step 5: Solve for x
    x = 128,167,769,427,110.80/13,858,274.13
  6. Step 6: Final answer
    x = 9,248,465.45

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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.