Home / 9,317,980.86-12,856,836.94-5,878,228.38

Finding the Fourth Proportional to 9,317,980.86, 12,856,836.94 and 5,878,228.38

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Solution

The fourth proportional to 9,317,980.86, 12,856,836.94 and 5,878,228.38 is: 8,110,708.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317,980.86 : 12,856,836.94 = 5,878,228.38 : x
  2. Step 2: Convert to fraction form
    9,317,980.86/12,856,836.94 = 5,878,228.38/x
  3. Step 3: Cross multiply
    9,317,980.86x = 12,856,836.94 × 5,878,228.38
  4. Step 4: Simplify right side
    9,317,980.86x = 75,575,423,777,740.36
  5. Step 5: Solve for x
    x = 75,575,423,777,740.36/9,317,980.86
  6. Step 6: Final answer
    x = 8,110,708.20

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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.