Home / 15,274,262.84-21,079,239.39-9,474,913.13

Finding the Fourth Proportional to 15,274,262.84, 21,079,239.39 and 9,474,913.13

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Solution

The fourth proportional to 15,274,262.84, 21,079,239.39 and 9,474,913.13 is: 13,075,849.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,274,262.84 : 21,079,239.39 = 9,474,913.13 : x
  2. Step 2: Convert to fraction form
    15,274,262.84/21,079,239.39 = 9,474,913.13/x
  3. Step 3: Cross multiply
    15,274,262.84x = 21,079,239.39 × 9,474,913.13
  4. Step 4: Simplify right side
    15,274,262.84x = 199,723,961,961,328
  5. Step 5: Solve for x
    x = 199,723,961,961,328/15,274,262.84
  6. Step 6: Final answer
    x = 13,075,849.49

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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.