Home / 15,148,822.23-20,905,398.03-8,622,451.62

Finding the Fourth Proportional to 15,148,822.23, 20,905,398.03 and 8,622,451.62

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Solution

The fourth proportional to 15,148,822.23, 20,905,398.03 and 8,622,451.62 is: 11,898,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,148,822.23 : 20,905,398.03 = 8,622,451.62 : x
  2. Step 2: Convert to fraction form
    15,148,822.23/20,905,398.03 = 8,622,451.62/x
  3. Step 3: Cross multiply
    15,148,822.23x = 20,905,398.03 × 8,622,451.62
  4. Step 4: Simplify right side
    15,148,822.23x = 180,255,783,142,852.50
  5. Step 5: Solve for x
    x = 180,255,783,142,852.50/15,148,822.23
  6. Step 6: Final answer
    x = 11,898,996.53

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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.