Home / 19,120,934.26-28,681,365.53-5,991,357.32

Finding the Fourth Proportional to 19,120,934.26, 28,681,365.53 and 5,991,357.32

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Solution

The fourth proportional to 19,120,934.26, 28,681,365.53 and 5,991,357.32 is: 8,987,024.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120,934.26 : 28,681,365.53 = 5,991,357.32 : x
  2. Step 2: Convert to fraction form
    19,120,934.26/28,681,365.53 = 5,991,357.32/x
  3. Step 3: Cross multiply
    19,120,934.26x = 28,681,365.53 × 5,991,357.32
  4. Step 4: Simplify right side
    19,120,934.26x = 171,840,309,172,354.38
  5. Step 5: Solve for x
    x = 171,840,309,172,354.38/19,120,934.26
  6. Step 6: Final answer
    x = 8,987,024.74

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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.