Home / 13,657,756.78-20,449,924.36-10,403,793.57

Finding the Fourth Proportional to 13,657,756.78, 20,449,924.36 and 10,403,793.57

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Solution

The fourth proportional to 13,657,756.78, 20,449,924.36 and 10,403,793.57 is: 15,577,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,657,756.78 : 20,449,924.36 = 10,403,793.57 : x
  2. Step 2: Convert to fraction form
    13,657,756.78/20,449,924.36 = 10,403,793.57/x
  3. Step 3: Cross multiply
    13,657,756.78x = 20,449,924.36 × 10,403,793.57
  4. Step 4: Simplify right side
    13,657,756.78x = 212,756,791,563,554.38
  5. Step 5: Solve for x
    x = 212,756,791,563,554.38/13,657,756.78
  6. Step 6: Final answer
    x = 15,577,725.90

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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.