Home / 40,530,511.05-60,786,649.59-18,649,901.82

Finding the Fourth Proportional to 40,530,511.05, 60,786,649.59 and 18,649,901.82

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Solution

The fourth proportional to 40,530,511.05, 60,786,649.59 and 18,649,901.82 is: 27,970,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,530,511.05 : 60,786,649.59 = 18,649,901.82 : x
  2. Step 2: Convert to fraction form
    40,530,511.05/60,786,649.59 = 18,649,901.82/x
  3. Step 3: Cross multiply
    40,530,511.05x = 60,786,649.59 × 18,649,901.82
  4. Step 4: Simplify right side
    40,530,511.05x = 1,133,665,046,636,331
  5. Step 5: Solve for x
    x = 1,133,665,046,636,331/40,530,511.05
  6. Step 6: Final answer
    x = 27,970,657.60

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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.