Home / 31,360,236.32-47,040,594.24-8,642,380.16

Finding the Fourth Proportional to 31,360,236.32, 47,040,594.24 and 8,642,380.16

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Solution

The fourth proportional to 31,360,236.32, 47,040,594.24 and 8,642,380.16 is: 12,963,636.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,360,236.32 : 47,040,594.24 = 8,642,380.16 : x
  2. Step 2: Convert to fraction form
    31,360,236.32/47,040,594.24 = 8,642,380.16/x
  3. Step 3: Cross multiply
    31,360,236.32x = 47,040,594.24 × 8,642,380.16
  4. Step 4: Simplify right side
    31,360,236.32x = 406,542,698,374,386.31
  5. Step 5: Solve for x
    x = 406,542,698,374,386.31/31,360,236.32
  6. Step 6: Final answer
    x = 12,963,636.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.