Home / 14,889,455.21-20,542,215.69-9,735,833.45

Finding the Fourth Proportional to 14,889,455.21, 20,542,215.69 and 9,735,833.45

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Solution

The fourth proportional to 14,889,455.21, 20,542,215.69 and 9,735,833.45 is: 13,432,028.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,889,455.21 : 20,542,215.69 = 9,735,833.45 : x
  2. Step 2: Convert to fraction form
    14,889,455.21/20,542,215.69 = 9,735,833.45/x
  3. Step 3: Cross multiply
    14,889,455.21x = 20,542,215.69 × 9,735,833.45
  4. Step 4: Simplify right side
    14,889,455.21x = 199,995,590,549,105.78
  5. Step 5: Solve for x
    x = 199,995,590,549,105.78/14,889,455.21
  6. Step 6: Final answer
    x = 13,432,028.76

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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.