Home / 13,788,039.60-20,682,059.40-9,164,502.90

Finding the Fourth Proportional to 13,788,039.60, 20,682,059.40 and 9,164,502.90

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Solution

The fourth proportional to 13,788,039.60, 20,682,059.40 and 9,164,502.90 is: 13,746,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788,039.60 : 20,682,059.40 = 9,164,502.90 : x
  2. Step 2: Convert to fraction form
    13,788,039.60/20,682,059.40 = 9,164,502.90/x
  3. Step 3: Cross multiply
    13,788,039.60x = 20,682,059.40 × 9,164,502.90
  4. Step 4: Simplify right side
    13,788,039.60x = 189,540,793,349,272.25
  5. Step 5: Solve for x
    x = 189,540,793,349,272.25/13,788,039.60
  6. Step 6: Final answer
    x = 13,746,754.35

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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.