Home / 15,550,428.69-21,463,859.87-9,026,160.06

Finding the Fourth Proportional to 15,550,428.69, 21,463,859.87 and 9,026,160.06

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Solution

The fourth proportional to 15,550,428.69, 21,463,859.87 and 9,026,160.06 is: 12,458,578.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550,428.69 : 21,463,859.87 = 9,026,160.06 : x
  2. Step 2: Convert to fraction form
    15,550,428.69/21,463,859.87 = 9,026,160.06/x
  3. Step 3: Cross multiply
    15,550,428.69x = 21,463,859.87 × 9,026,160.06
  4. Step 4: Simplify right side
    15,550,428.69x = 193,736,234,646,900
  5. Step 5: Solve for x
    x = 193,736,234,646,900/15,550,428.69
  6. Step 6: Final answer
    x = 12,458,578.38

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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.