Home / 14,990,702.32-20,687,164.86-8,115,179.32

Finding the Fourth Proportional to 14,990,702.32, 20,687,164.86 and 8,115,179.32

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Solution

The fourth proportional to 14,990,702.32, 20,687,164.86 and 8,115,179.32 is: 11,198,945.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990,702.32 : 20,687,164.86 = 8,115,179.32 : x
  2. Step 2: Convert to fraction form
    14,990,702.32/20,687,164.86 = 8,115,179.32/x
  3. Step 3: Cross multiply
    14,990,702.32x = 20,687,164.86 × 8,115,179.32
  4. Step 4: Simplify right side
    14,990,702.32x = 167,880,052,461,302.69
  5. Step 5: Solve for x
    x = 167,880,052,461,302.69/14,990,702.32
  6. Step 6: Final answer
    x = 11,198,945.11

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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.