Home / 20,383,210.66-28,129,606.86-11,683,062.22

Finding the Fourth Proportional to 20,383,210.66, 28,129,606.86 and 11,683,062.22

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Solution

The fourth proportional to 20,383,210.66, 28,129,606.86 and 11,683,062.22 is: 16,123,070.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,383,210.66 : 28,129,606.86 = 11,683,062.22 : x
  2. Step 2: Convert to fraction form
    20,383,210.66/28,129,606.86 = 11,683,062.22/x
  3. Step 3: Cross multiply
    20,383,210.66x = 28,129,606.86 × 11,683,062.22
  4. Step 4: Simplify right side
    20,383,210.66x = 328,639,947,169,518.81
  5. Step 5: Solve for x
    x = 328,639,947,169,518.81/20,383,210.66
  6. Step 6: Final answer
    x = 16,123,070.73

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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.