Home / 28,559,508.54-39,412,806.72-15,507,317.58

Finding the Fourth Proportional to 28,559,508.54, 39,412,806.72 and 15,507,317.58

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Solution

The fourth proportional to 28,559,508.54, 39,412,806.72 and 15,507,317.58 is: 21,400,470.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,559,508.54 : 39,412,806.72 = 15,507,317.58 : x
  2. Step 2: Convert to fraction form
    28,559,508.54/39,412,806.72 = 15,507,317.58/x
  3. Step 3: Cross multiply
    28,559,508.54x = 39,412,806.72 × 15,507,317.58
  4. Step 4: Simplify right side
    28,559,508.54x = 611,186,910,526,198.12
  5. Step 5: Solve for x
    x = 611,186,910,526,198.12/28,559,508.54
  6. Step 6: Final answer
    x = 21,400,470.17

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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.