Home / 28,970,423.80-43,455,635.70-9,801,806.20

Finding the Fourth Proportional to 28,970,423.80, 43,455,635.70 and 9,801,806.20

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Solution

The fourth proportional to 28,970,423.80, 43,455,635.70 and 9,801,806.20 is: 14,702,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970,423.80 : 43,455,635.70 = 9,801,806.20 : x
  2. Step 2: Convert to fraction form
    28,970,423.80/43,455,635.70 = 9,801,806.20/x
  3. Step 3: Cross multiply
    28,970,423.80x = 43,455,635.70 × 9,801,806.20
  4. Step 4: Simplify right side
    28,970,423.80x = 425,943,719,429,201.31
  5. Step 5: Solve for x
    x = 425,943,719,429,201.31/28,970,423.80
  6. Step 6: Final answer
    x = 14,702,709.30

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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.