Home / 39,029,741.15-53,861,106.08-21,385,839.96

Finding the Fourth Proportional to 39,029,741.15, 53,861,106.08 and 21,385,839.96

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Solution

The fourth proportional to 39,029,741.15, 53,861,106.08 and 21,385,839.96 is: 29,512,493.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,029,741.15 : 53,861,106.08 = 21,385,839.96 : x
  2. Step 2: Convert to fraction form
    39,029,741.15/53,861,106.08 = 21,385,839.96/x
  3. Step 3: Cross multiply
    39,029,741.15x = 53,861,106.08 × 21,385,839.96
  4. Step 4: Simplify right side
    39,029,741.15x = 1,151,864,994,748,927.75
  5. Step 5: Solve for x
    x = 1,151,864,994,748,927.75/39,029,741.15
  6. Step 6: Final answer
    x = 29,512,493.83

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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.