Home / 13,558,689.23-20,338,199.23-3,974,261.51

Finding the Fourth Proportional to 13,558,689.23, 20,338,199.23 and 3,974,261.51

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Solution

The fourth proportional to 13,558,689.23, 20,338,199.23 and 3,974,261.51 is: 5,961,440.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558,689.23 : 20,338,199.23 = 3,974,261.51 : x
  2. Step 2: Convert to fraction form
    13,558,689.23/20,338,199.23 = 3,974,261.51/x
  3. Step 3: Cross multiply
    13,558,689.23x = 20,338,199.23 × 3,974,261.51
  4. Step 4: Simplify right side
    13,558,689.23x = 80,829,322,316,463.83
  5. Step 5: Solve for x
    x = 80,829,322,316,463.83/13,558,689.23
  6. Step 6: Final answer
    x = 5,961,440.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.