Home / 28,522,143.30-42,782,826.15-9,353,525.70

Finding the Fourth Proportional to 28,522,143.30, 42,782,826.15 and 9,353,525.70

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Solution

The fourth proportional to 28,522,143.30, 42,782,826.15 and 9,353,525.70 is: 14,030,161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,522,143.30 : 42,782,826.15 = 9,353,525.70 : x
  2. Step 2: Convert to fraction form
    28,522,143.30/42,782,826.15 = 9,353,525.70/x
  3. Step 3: Cross multiply
    28,522,143.30x = 42,782,826.15 × 9,353,525.70
  4. Step 4: Simplify right side
    28,522,143.30x = 400,170,263,912,657
  5. Step 5: Solve for x
    x = 400,170,263,912,657/28,522,143.30
  6. Step 6: Final answer
    x = 14,030,161.05

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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.