Home / 12,774,895.85-19,162,344.54-10,204,074.21

Finding the Fourth Proportional to 12,774,895.85, 19,162,344.54 and 10,204,074.21

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Solution

The fourth proportional to 12,774,895.85, 19,162,344.54 and 10,204,074.21 is: 15,306,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774,895.85 : 19,162,344.54 = 10,204,074.21 : x
  2. Step 2: Convert to fraction form
    12,774,895.85/19,162,344.54 = 10,204,074.21/x
  3. Step 3: Cross multiply
    12,774,895.85x = 19,162,344.54 × 10,204,074.21
  4. Step 4: Simplify right side
    12,774,895.85x = 195,533,985,723,748.31
  5. Step 5: Solve for x
    x = 195,533,985,723,748.31/12,774,895.85
  6. Step 6: Final answer
    x = 15,306,111.93

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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.