Home / 15,049,947.40-20,769,201-8,524,931.65

Finding the Fourth Proportional to 15,049,947.40, 20,769,201 and 8,524,931.65

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Solution

The fourth proportional to 15,049,947.40, 20,769,201 and 8,524,931.65 is: 11,764,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,049,947.40 : 20,769,201 = 8,524,931.65 : x
  2. Step 2: Convert to fraction form
    15,049,947.40/20,769,201 = 8,524,931.65/x
  3. Step 3: Cross multiply
    15,049,947.40x = 20,769,201 × 8,524,931.65
  4. Step 4: Simplify right side
    15,049,947.40x = 177,056,018,950,111.66
  5. Step 5: Solve for x
    x = 177,056,018,950,111.66/15,049,947.40
  6. Step 6: Final answer
    x = 11,764,560.65

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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.