Home / 20,208,712.86-30,312,633.90-5,635,244.16

Finding the Fourth Proportional to 20,208,712.86, 30,312,633.90 and 5,635,244.16

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Solution

The fourth proportional to 20,208,712.86, 30,312,633.90 and 5,635,244.16 is: 8,452,744.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208,712.86 : 30,312,633.90 = 5,635,244.16 : x
  2. Step 2: Convert to fraction form
    20,208,712.86/30,312,633.90 = 5,635,244.16/x
  3. Step 3: Cross multiply
    20,208,712.86x = 30,312,633.90 × 5,635,244.16
  4. Step 4: Simplify right side
    20,208,712.86x = 170,819,093,159,193.03
  5. Step 5: Solve for x
    x = 170,819,093,159,193.03/20,208,712.86
  6. Step 6: Final answer
    x = 8,452,744.83

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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.