Home / 28,300,404.10-42,352,628.55-16,948,999.30

Finding the Fourth Proportional to 28,300,404.10, 42,352,628.55 and 16,948,999.30

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Solution

The fourth proportional to 28,300,404.10, 42,352,628.55 and 16,948,999.30 is: 25,364,820.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,300,404.10 : 42,352,628.55 = 16,948,999.30 : x
  2. Step 2: Convert to fraction form
    28,300,404.10/42,352,628.55 = 16,948,999.30/x
  3. Step 3: Cross multiply
    28,300,404.10x = 42,352,628.55 × 16,948,999.30
  4. Step 4: Simplify right side
    28,300,404.10x = 717,834,671,647,110
  5. Step 5: Solve for x
    x = 717,834,671,647,110/28,300,404.10
  6. Step 6: Final answer
    x = 25,364,820.56

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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.