Home / 20,531,381.88-30,793,148.34-6,154,451.16

Finding the Fourth Proportional to 20,531,381.88, 30,793,148.34 and 6,154,451.16

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Solution

The fourth proportional to 20,531,381.88, 30,793,148.34 and 6,154,451.16 is: 9,230,500.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,531,381.88 : 30,793,148.34 = 6,154,451.16 : x
  2. Step 2: Convert to fraction form
    20,531,381.88/30,793,148.34 = 6,154,451.16/x
  3. Step 3: Cross multiply
    20,531,381.88x = 30,793,148.34 × 6,154,451.16
  4. Step 4: Simplify right side
    20,531,381.88x = 189,514,927,521,165.06
  5. Step 5: Solve for x
    x = 189,514,927,521,165.06/20,531,381.88
  6. Step 6: Final answer
    x = 9,230,500.34

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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.