Home / 28,717,535.27-39,630,451.59-15,664,852.23

Finding the Fourth Proportional to 28,717,535.27, 39,630,451.59 and 15,664,852.23

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Solution

The fourth proportional to 28,717,535.27, 39,630,451.59 and 15,664,852.23 is: 21,617,634.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717,535.27 : 39,630,451.59 = 15,664,852.23 : x
  2. Step 2: Convert to fraction form
    28,717,535.27/39,630,451.59 = 15,664,852.23/x
  3. Step 3: Cross multiply
    28,717,535.27x = 39,630,451.59 × 15,664,852.23
  4. Step 4: Simplify right side
    28,717,535.27x = 620,805,167,965,518.62
  5. Step 5: Solve for x
    x = 620,805,167,965,518.62/28,717,535.27
  6. Step 6: Final answer
    x = 21,617,634.04

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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.