Home / 28,106,026.84-38,786,097.81-15,716,144.22

Finding the Fourth Proportional to 28,106,026.84, 38,786,097.81 and 15,716,144.22

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Solution

The fourth proportional to 28,106,026.84, 38,786,097.81 and 15,716,144.22 is: 21,688,156.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,106,026.84 : 38,786,097.81 = 15,716,144.22 : x
  2. Step 2: Convert to fraction form
    28,106,026.84/38,786,097.81 = 15,716,144.22/x
  3. Step 3: Cross multiply
    28,106,026.84x = 38,786,097.81 × 15,716,144.22
  4. Step 4: Simplify right side
    28,106,026.84x = 609,567,907,044,645.62
  5. Step 5: Solve for x
    x = 609,567,907,044,645.62/28,106,026.84
  6. Step 6: Final answer
    x = 21,688,156.44

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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.