Home / 28,388,423.50-39,176,059.26-15,335,682.16

Finding the Fourth Proportional to 28,388,423.50, 39,176,059.26 and 15,335,682.16

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Solution

The fourth proportional to 28,388,423.50, 39,176,059.26 and 15,335,682.16 is: 21,163,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,388,423.50 : 39,176,059.26 = 15,335,682.16 : x
  2. Step 2: Convert to fraction form
    28,388,423.50/39,176,059.26 = 15,335,682.16/x
  3. Step 3: Cross multiply
    28,388,423.50x = 39,176,059.26 × 15,335,682.16
  4. Step 4: Simplify right side
    28,388,423.50x = 600,791,593,092,684.75
  5. Step 5: Solve for x
    x = 600,791,593,092,684.75/28,388,423.50
  6. Step 6: Final answer
    x = 21,163,260.20

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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.