Home / 28,184,614.40-38,893,468.16-15,961,560.32

Finding the Fourth Proportional to 28,184,614.40, 38,893,468.16 and 15,961,560.32

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Solution

The fourth proportional to 28,184,614.40, 38,893,468.16 and 15,961,560.32 is: 22,026,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184,614.40 : 38,893,468.16 = 15,961,560.32 : x
  2. Step 2: Convert to fraction form
    28,184,614.40/38,893,468.16 = 15,961,560.32/x
  3. Step 3: Cross multiply
    28,184,614.40x = 38,893,468.16 × 15,961,560.32
  4. Step 4: Simplify right side
    28,184,614.40x = 620,800,438,089,839.38
  5. Step 5: Solve for x
    x = 620,800,438,089,839.38/28,184,614.40
  6. Step 6: Final answer
    x = 22,026,217.19

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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.