Home / 8,319,480.86-12,536,007.89-6,836,386.82

Finding the Fourth Proportional to 8,319,480.86, 12,536,007.89 and 6,836,386.82

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Solution

The fourth proportional to 8,319,480.86, 12,536,007.89 and 6,836,386.82 is: 10,301,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,480.86 : 12,536,007.89 = 6,836,386.82 : x
  2. Step 2: Convert to fraction form
    8,319,480.86/12,536,007.89 = 6,836,386.82/x
  3. Step 3: Cross multiply
    8,319,480.86x = 12,536,007.89 × 6,836,386.82
  4. Step 4: Simplify right side
    8,319,480.86x = 85,700,999,017,750.05
  5. Step 5: Solve for x
    x = 85,700,999,017,750.05/8,319,480.86
  6. Step 6: Final answer
    x = 10,301,243.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.