Home / 9,285,376.26-12,814,219.35-5,155,407.57

Finding the Fourth Proportional to 9,285,376.26, 12,814,219.35 and 5,155,407.57

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Solution

The fourth proportional to 9,285,376.26, 12,814,219.35 and 5,155,407.57 is: 7,114,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285,376.26 : 12,814,219.35 = 5,155,407.57 : x
  2. Step 2: Convert to fraction form
    9,285,376.26/12,814,219.35 = 5,155,407.57/x
  3. Step 3: Cross multiply
    9,285,376.26x = 12,814,219.35 × 5,155,407.57
  4. Step 4: Simplify right side
    9,285,376.26x = 66,062,523,440,630.48
  5. Step 5: Solve for x
    x = 66,062,523,440,630.48/9,285,376.26
  6. Step 6: Final answer
    x = 7,114,684.60

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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.