Home / 20,787,524.10-28,686,968.10-11,495,722.50

Finding the Fourth Proportional to 20,787,524.10, 28,686,968.10 and 11,495,722.50

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Solution

The fourth proportional to 20,787,524.10, 28,686,968.10 and 11,495,722.50 is: 15,864,199.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,787,524.10 : 28,686,968.10 = 11,495,722.50 : x
  2. Step 2: Convert to fraction form
    20,787,524.10/28,686,968.10 = 11,495,722.50/x
  3. Step 3: Cross multiply
    20,787,524.10x = 28,686,968.10 × 11,495,722.50
  4. Step 4: Simplify right side
    20,787,524.10x = 329,777,424,643,952.25
  5. Step 5: Solve for x
    x = 329,777,424,643,952.25/20,787,524.10
  6. Step 6: Final answer
    x = 15,864,199.27

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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.