Home / 18,915,948.40-28,373,922.60-16,452,511.60

Finding the Fourth Proportional to 18,915,948.40, 28,373,922.60 and 16,452,511.60

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Solution

The fourth proportional to 18,915,948.40, 28,373,922.60 and 16,452,511.60 is: 24,678,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,915,948.40 : 28,373,922.60 = 16,452,511.60 : x
  2. Step 2: Convert to fraction form
    18,915,948.40/28,373,922.60 = 16,452,511.60/x
  3. Step 3: Cross multiply
    18,915,948.40x = 28,373,922.60 × 16,452,511.60
  4. Step 4: Simplify right side
    18,915,948.40x = 466,822,290,714,002.19
  5. Step 5: Solve for x
    x = 466,822,290,714,002.19/18,915,948.40
  6. Step 6: Final answer
    x = 24,678,767.40

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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.