Home / 40,285,820.16-60,446,592.36-21,112,018.56

Finding the Fourth Proportional to 40,285,820.16, 60,446,592.36 and 21,112,018.56

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Solution

The fourth proportional to 40,285,820.16, 60,446,592.36 and 21,112,018.56 is: 31,677,388.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,285,820.16 : 60,446,592.36 = 21,112,018.56 : x
  2. Step 2: Convert to fraction form
    40,285,820.16/60,446,592.36 = 21,112,018.56/x
  3. Step 3: Cross multiply
    40,285,820.16x = 60,446,592.36 × 21,112,018.56
  4. Step 4: Simplify right side
    40,285,820.16x = 1,276,149,579,793,074
  5. Step 5: Solve for x
    x = 1,276,149,579,793,074/40,285,820.16
  6. Step 6: Final answer
    x = 31,677,388.59

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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.