Home / 15,790,235.46-21,793,977.63-9,996,740.70

Finding the Fourth Proportional to 15,790,235.46, 21,793,977.63 and 9,996,740.70

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Solution

The fourth proportional to 15,790,235.46, 21,793,977.63 and 9,996,740.70 is: 13,797,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790,235.46 : 21,793,977.63 = 9,996,740.70 : x
  2. Step 2: Convert to fraction form
    15,790,235.46/21,793,977.63 = 9,996,740.70/x
  3. Step 3: Cross multiply
    15,790,235.46x = 21,793,977.63 × 9,996,740.70
  4. Step 4: Simplify right side
    15,790,235.46x = 217,868,743,188,710.50
  5. Step 5: Solve for x
    x = 217,868,743,188,710.50/15,790,235.46
  6. Step 6: Final answer
    x = 13,797,688.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.