Home / 28,717,534.27-39,630,450.21-15,664,851.23

Finding the Fourth Proportional to 28,717,534.27, 39,630,450.21 and 15,664,851.23

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Solution

The fourth proportional to 28,717,534.27, 39,630,450.21 and 15,664,851.23 is: 21,617,632.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717,534.27 : 39,630,450.21 = 15,664,851.23 : x
  2. Step 2: Convert to fraction form
    28,717,534.27/39,630,450.21 = 15,664,851.23/x
  3. Step 3: Cross multiply
    28,717,534.27x = 39,630,450.21 × 15,664,851.23
  4. Step 4: Simplify right side
    28,717,534.27x = 620,805,106,816,648.38
  5. Step 5: Solve for x
    x = 620,805,106,816,648.38/28,717,534.27
  6. Step 6: Final answer
    x = 21,617,632.66

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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.