Home / 28,447,433.46-39,257,555.24-15,394,688.91

Finding the Fourth Proportional to 28,447,433.46, 39,257,555.24 and 15,394,688.91

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Solution

The fourth proportional to 28,447,433.46, 39,257,555.24 and 15,394,688.91 is: 21,244,723.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447,433.46 : 39,257,555.24 = 15,394,688.91 : x
  2. Step 2: Convert to fraction form
    28,447,433.46/39,257,555.24 = 15,394,688.91/x
  3. Step 3: Cross multiply
    28,447,433.46x = 39,257,555.24 × 15,394,688.91
  4. Step 4: Simplify right side
    28,447,433.46x = 604,357,850,325,427.12
  5. Step 5: Solve for x
    x = 604,357,850,325,427.12/28,447,433.46
  6. Step 6: Final answer
    x = 21,244,723.23

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1.5x scale

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.