Home / 40,285,234.54-60,445,713.12-21,111,432.94

Finding the Fourth Proportional to 40,285,234.54, 60,445,713.12 and 21,111,432.94

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Solution

The fourth proportional to 40,285,234.54, 60,445,713.12 and 21,111,432.94 is: 31,676,509.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,285,234.54 : 60,445,713.12 = 21,111,432.94 : x
  2. Step 2: Convert to fraction form
    40,285,234.54/60,445,713.12 = 21,111,432.94/x
  3. Step 3: Cross multiply
    40,285,234.54x = 60,445,713.12 × 21,111,432.94
  4. Step 4: Simplify right side
    40,285,234.54x = 1,276,095,619,043,358.25
  5. Step 5: Solve for x
    x = 1,276,095,619,043,358.25/40,285,234.54
  6. Step 6: Final answer
    x = 31,676,509.61

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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.