Home / 28,263,940.40-42,346,144.20-23,187,767.60

Finding the Fourth Proportional to 28,263,940.40, 42,346,144.20 and 23,187,767.60

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Solution

The fourth proportional to 28,263,940.40, 42,346,144.20 and 23,187,767.60 is: 34,740,822.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263,940.40 : 42,346,144.20 = 23,187,767.60 : x
  2. Step 2: Convert to fraction form
    28,263,940.40/42,346,144.20 = 23,187,767.60/x
  3. Step 3: Cross multiply
    28,263,940.40x = 42,346,144.20 × 23,187,767.60
  4. Step 4: Simplify right side
    28,263,940.40x = 981,912,550,465,688
  5. Step 5: Solve for x
    x = 981,912,550,465,688/28,263,940.40
  6. Step 6: Final answer
    x = 34,740,822.99

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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.