Home / 28,689,629.28-39,591,703.06-16,299,744.16

Finding the Fourth Proportional to 28,689,629.28, 39,591,703.06 and 16,299,744.16

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Solution

The fourth proportional to 28,689,629.28, 39,591,703.06 and 16,299,744.16 is: 22,493,655.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,689,629.28 : 39,591,703.06 = 16,299,744.16 : x
  2. Step 2: Convert to fraction form
    28,689,629.28/39,591,703.06 = 16,299,744.16/x
  3. Step 3: Cross multiply
    28,689,629.28x = 39,591,703.06 × 16,299,744.16
  4. Step 4: Simplify right side
    28,689,629.28x = 645,334,630,736,689.12
  5. Step 5: Solve for x
    x = 645,334,630,736,689.12/28,689,629.28
  6. Step 6: Final answer
    x = 22,493,655.27

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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.