Home / 9,317,478.80-12,856,999.56-5,186,516.24

Finding the Fourth Proportional to 9,317,478.80, 12,856,999.56 and 5,186,516.24

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Solution

The fourth proportional to 9,317,478.80, 12,856,999.56 and 5,186,516.24 is: 7,156,768.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317,478.80 : 12,856,999.56 = 5,186,516.24 : x
  2. Step 2: Convert to fraction form
    9,317,478.80/12,856,999.56 = 5,186,516.24/x
  3. Step 3: Cross multiply
    9,317,478.80x = 12,856,999.56 × 5,186,516.24
  4. Step 4: Simplify right side
    9,317,478.80x = 66,683,037,015,612.86
  5. Step 5: Solve for x
    x = 66,683,037,015,612.86/9,317,478.80
  6. Step 6: Final answer
    x = 7,156,768.31

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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.