Home / 20,845,840.14-28,767,262.16-11,554,009.45

Finding the Fourth Proportional to 20,845,840.14, 28,767,262.16 and 11,554,009.45

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Solution

The fourth proportional to 20,845,840.14, 28,767,262.16 and 11,554,009.45 is: 15,944,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,845,840.14 : 28,767,262.16 = 11,554,009.45 : x
  2. Step 2: Convert to fraction form
    20,845,840.14/28,767,262.16 = 11,554,009.45/x
  3. Step 3: Cross multiply
    20,845,840.14x = 28,767,262.16 × 11,554,009.45
  4. Step 4: Simplify right side
    20,845,840.14x = 332,377,218,804,234.31
  5. Step 5: Solve for x
    x = 332,377,218,804,234.31/20,845,840.14
  6. Step 6: Final answer
    x = 15,944,534.57

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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.