Home / 18,791,021.25-25,931,168.28-11,056,564.53

Finding the Fourth Proportional to 18,791,021.25, 25,931,168.28 and 11,056,564.53

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Solution

The fourth proportional to 18,791,021.25, 25,931,168.28 and 11,056,564.53 is: 15,257,799.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,791,021.25 : 25,931,168.28 = 11,056,564.53 : x
  2. Step 2: Convert to fraction form
    18,791,021.25/25,931,168.28 = 11,056,564.53/x
  3. Step 3: Cross multiply
    18,791,021.25x = 25,931,168.28 × 11,056,564.53
  4. Step 4: Simplify right side
    18,791,021.25x = 286,709,635,426,109.12
  5. Step 5: Solve for x
    x = 286,709,635,426,109.12/18,791,021.25
  6. Step 6: Final answer
    x = 15,257,799.54

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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.