Home / 40,285,824.16-60,446,598.36-21,112,022.56

Finding the Fourth Proportional to 40,285,824.16, 60,446,598.36 and 21,112,022.56

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Solution

The fourth proportional to 40,285,824.16, 60,446,598.36 and 21,112,022.56 is: 31,677,394.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,285,824.16 : 60,446,598.36 = 21,112,022.56 : x
  2. Step 2: Convert to fraction form
    40,285,824.16/60,446,598.36 = 21,112,022.56/x
  3. Step 3: Cross multiply
    40,285,824.16x = 60,446,598.36 × 21,112,022.56
  4. Step 4: Simplify right side
    40,285,824.16x = 1,276,149,948,251,579
  5. Step 5: Solve for x
    x = 1,276,149,948,251,579/40,285,824.16
  6. Step 6: Final answer
    x = 31,677,394.59

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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.