Home / 27,745,539.74-38,288,562.81-15,355,657.22

Finding the Fourth Proportional to 27,745,539.74, 38,288,562.81 and 15,355,657.22

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Solution

The fourth proportional to 27,745,539.74, 38,288,562.81 and 15,355,657.22 is: 21,190,650.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,745,539.74 : 38,288,562.81 = 15,355,657.22 : x
  2. Step 2: Convert to fraction form
    27,745,539.74/38,288,562.81 = 15,355,657.22/x
  3. Step 3: Cross multiply
    27,745,539.74x = 38,288,562.81 × 15,355,657.22
  4. Step 4: Simplify right side
    27,745,539.74x = 587,946,045,956,800
  5. Step 5: Solve for x
    x = 587,946,045,956,800/27,745,539.74
  6. Step 6: Final answer
    x = 21,190,650.87

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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.