Home / 20,777,730.48-28,672,718.04-11,610,448.56

Finding the Fourth Proportional to 20,777,730.48, 28,672,718.04 and 11,610,448.56

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Solution

The fourth proportional to 20,777,730.48, 28,672,718.04 and 11,610,448.56 is: 16,022,111.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,777,730.48 : 28,672,718.04 = 11,610,448.56 : x
  2. Step 2: Convert to fraction form
    20,777,730.48/28,672,718.04 = 11,610,448.56/x
  3. Step 3: Cross multiply
    20,777,730.48x = 28,672,718.04 × 11,610,448.56
  4. Step 4: Simplify right side
    20,777,730.48x = 332,903,117,878,804
  5. Step 5: Solve for x
    x = 332,903,117,878,804/20,777,730.48
  6. Step 6: Final answer
    x = 16,022,111.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.