Home / 9,103,941.72-12,565,232.96-5,431,019.92

Finding the Fourth Proportional to 9,103,941.72, 12,565,232.96 and 5,431,019.92

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Solution

The fourth proportional to 9,103,941.72, 12,565,232.96 and 5,431,019.92 is: 7,495,877.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103,941.72 : 12,565,232.96 = 5,431,019.92 : x
  2. Step 2: Convert to fraction form
    9,103,941.72/12,565,232.96 = 5,431,019.92/x
  3. Step 3: Cross multiply
    9,103,941.72x = 12,565,232.96 × 5,431,019.92
  4. Step 4: Simplify right side
    9,103,941.72x = 68,242,030,505,200.57
  5. Step 5: Solve for x
    x = 68,242,030,505,200.57/9,103,941.72
  6. Step 6: Final answer
    x = 7,495,877.35

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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.