Home / 37,931,791.32-52,346,005.38-20,528,131.32

Finding the Fourth Proportional to 37,931,791.32, 52,346,005.38 and 20,528,131.32

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Solution

The fourth proportional to 37,931,791.32, 52,346,005.38 and 20,528,131.32 is: 28,328,893.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,931,791.32 : 52,346,005.38 = 20,528,131.32 : x
  2. Step 2: Convert to fraction form
    37,931,791.32/52,346,005.38 = 20,528,131.32/x
  3. Step 3: Cross multiply
    37,931,791.32x = 52,346,005.38 × 20,528,131.32
  4. Step 4: Simplify right side
    37,931,791.32x = 1,074,565,672,518,066.62
  5. Step 5: Solve for x
    x = 1,074,565,672,518,066.62/37,931,791.32
  6. Step 6: Final answer
    x = 28,328,893.39

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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.