Home / 14,667,602.40-20,240,977.68-8,140,851.36

Finding the Fourth Proportional to 14,667,602.40, 20,240,977.68 and 8,140,851.36

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Solution

The fourth proportional to 14,667,602.40, 20,240,977.68 and 8,140,851.36 is: 11,234,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,667,602.40 : 20,240,977.68 = 8,140,851.36 : x
  2. Step 2: Convert to fraction form
    14,667,602.40/20,240,977.68 = 8,140,851.36/x
  3. Step 3: Cross multiply
    14,667,602.40x = 20,240,977.68 × 8,140,851.36
  4. Step 4: Simplify right side
    14,667,602.40x = 164,778,790,673,957.66
  5. Step 5: Solve for x
    x = 164,778,790,673,957.66/14,667,602.40
  6. Step 6: Final answer
    x = 11,234,200.80

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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.