Home / 28,202,435.20-42,306,763.20-9,029,929.60

Finding the Fourth Proportional to 28,202,435.20, 42,306,763.20 and 9,029,929.60

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Solution

The fourth proportional to 28,202,435.20, 42,306,763.20 and 9,029,929.60 is: 13,545,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202,435.20 : 42,306,763.20 = 9,029,929.60 : x
  2. Step 2: Convert to fraction form
    28,202,435.20/42,306,763.20 = 9,029,929.60/x
  3. Step 3: Cross multiply
    28,202,435.20x = 42,306,763.20 × 9,029,929.60
  4. Step 4: Simplify right side
    28,202,435.20x = 382,027,093,299,870.75
  5. Step 5: Solve for x
    x = 382,027,093,299,870.75/28,202,435.20
  6. Step 6: Final answer
    x = 13,545,890.30

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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.