Home / 13,444,777.20-18,555,361.12-7,644,428

Finding the Fourth Proportional to 13,444,777.20, 18,555,361.12 and 7,644,428

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Solution

The fourth proportional to 13,444,777.20, 18,555,361.12 and 7,644,428 is: 10,550,202.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444,777.20 : 18,555,361.12 = 7,644,428 : x
  2. Step 2: Convert to fraction form
    13,444,777.20/18,555,361.12 = 7,644,428/x
  3. Step 3: Cross multiply
    13,444,777.20x = 18,555,361.12 × 7,644,428
  4. Step 4: Simplify right side
    13,444,777.20x = 141,845,122,095,839.38
  5. Step 5: Solve for x
    x = 141,845,122,095,839.38/13,444,777.20
  6. Step 6: Final answer
    x = 10,550,202.51

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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.