Home / 20,676,860.93-31,021,934.40-13,861,130.10

Finding the Fourth Proportional to 20,676,860.93, 31,021,934.40 and 13,861,130.10

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Solution

The fourth proportional to 20,676,860.93, 31,021,934.40 and 13,861,130.10 is: 20,796,148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676,860.93 : 31,021,934.40 = 13,861,130.10 : x
  2. Step 2: Convert to fraction form
    20,676,860.93/31,021,934.40 = 13,861,130.10/x
  3. Step 3: Cross multiply
    20,676,860.93x = 31,021,934.40 × 13,861,130.10
  4. Step 4: Simplify right side
    20,676,860.93x = 429,999,068,672,065.44
  5. Step 5: Solve for x
    x = 429,999,068,672,065.44/20,676,860.93
  6. Step 6: Final answer
    x = 20,796,148.42

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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.