Home / 20,358,461.03-28,085,311.85-18,037,722.33

Finding the Fourth Proportional to 20,358,461.03, 28,085,311.85 and 18,037,722.33

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Solution

The fourth proportional to 20,358,461.03, 28,085,311.85 and 18,037,722.33 is: 24,883,759.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,358,461.03 : 28,085,311.85 = 18,037,722.33 : x
  2. Step 2: Convert to fraction form
    20,358,461.03/28,085,311.85 = 18,037,722.33/x
  3. Step 3: Cross multiply
    20,358,461.03x = 28,085,311.85 × 18,037,722.33
  4. Step 4: Simplify right side
    20,358,461.03x = 506,595,056,611,569.94
  5. Step 5: Solve for x
    x = 506,595,056,611,569.94/20,358,461.03
  6. Step 6: Final answer
    x = 24,883,759.93

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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.