Home / 13,727,002.11-18,944,942.93-7,925,774.11

Finding the Fourth Proportional to 13,727,002.11, 18,944,942.93 and 7,925,774.11

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Solution

The fourth proportional to 13,727,002.11, 18,944,942.93 and 7,925,774.11 is: 10,938,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727,002.11 : 18,944,942.93 = 7,925,774.11 : x
  2. Step 2: Convert to fraction form
    13,727,002.11/18,944,942.93 = 7,925,774.11/x
  3. Step 3: Cross multiply
    13,727,002.11x = 18,944,942.93 × 7,925,774.11
  4. Step 4: Simplify right side
    13,727,002.11x = 150,153,338,283,899.75
  5. Step 5: Solve for x
    x = 150,153,338,283,899.75/13,727,002.11
  6. Step 6: Final answer
    x = 10,938,538.30

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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.