Home / 20,619,904-30,922,080-16,566,430.72

Finding the Fourth Proportional to 20,619,904, 30,922,080 and 16,566,430.72

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Solution

The fourth proportional to 20,619,904, 30,922,080 and 16,566,430.72 is: 24,843,398.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,619,904 : 30,922,080 = 16,566,430.72 : x
  2. Step 2: Convert to fraction form
    20,619,904/30,922,080 = 16,566,430.72/x
  3. Step 3: Cross multiply
    20,619,904x = 30,922,080 × 16,566,430.72
  4. Step 4: Simplify right side
    20,619,904x = 512,268,496,038,297.62
  5. Step 5: Solve for x
    x = 512,268,496,038,297.62/20,619,904
  6. Step 6: Final answer
    x = 24,843,398.69

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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.