Home / 14,997,400.66-20,696,309.84-8,121,725.38

Finding the Fourth Proportional to 14,997,400.66, 20,696,309.84 and 8,121,725.38

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Solution

The fourth proportional to 14,997,400.66, 20,696,309.84 and 8,121,725.38 is: 11,207,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997,400.66 : 20,696,309.84 = 8,121,725.38 : x
  2. Step 2: Convert to fraction form
    14,997,400.66/20,696,309.84 = 8,121,725.38/x
  3. Step 3: Cross multiply
    14,997,400.66x = 20,696,309.84 × 8,121,725.38
  4. Step 4: Simplify right side
    14,997,400.66x = 168,089,744,899,871.75
  5. Step 5: Solve for x
    x = 168,089,744,899,871.75/14,997,400.66
  6. Step 6: Final answer
    x = 11,207,925.21

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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.