Home / 22,518,768.14-31,075,955.07-12,205,480.94

Finding the Fourth Proportional to 22,518,768.14, 31,075,955.07 and 12,205,480.94

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Solution

The fourth proportional to 22,518,768.14, 31,075,955.07 and 12,205,480.94 is: 16,843,593.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,518,768.14 : 31,075,955.07 = 12,205,480.94 : x
  2. Step 2: Convert to fraction form
    22,518,768.14/31,075,955.07 = 12,205,480.94/x
  3. Step 3: Cross multiply
    22,518,768.14x = 31,075,955.07 × 12,205,480.94
  4. Step 4: Simplify right side
    22,518,768.14x = 379,296,977,299,181.38
  5. Step 5: Solve for x
    x = 379,296,977,299,181.38/22,518,768.14
  6. Step 6: Final answer
    x = 16,843,593.53

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1.5x scale

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.