Home / 20,115,501.15-27,758,571.09-11,413,486.47

Finding the Fourth Proportional to 20,115,501.15, 27,758,571.09 and 11,413,486.47

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Solution

The fourth proportional to 20,115,501.15, 27,758,571.09 and 11,413,486.47 is: 15,750,145.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,115,501.15 : 27,758,571.09 = 11,413,486.47 : x
  2. Step 2: Convert to fraction form
    20,115,501.15/27,758,571.09 = 11,413,486.47/x
  3. Step 3: Cross multiply
    20,115,501.15x = 27,758,571.09 × 11,413,486.47
  4. Step 4: Simplify right side
    20,115,501.15x = 316,822,075,562,248.19
  5. Step 5: Solve for x
    x = 316,822,075,562,248.19/20,115,501.15
  6. Step 6: Final answer
    x = 15,750,145.78

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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.