Home / 12,143,035.60-18,214,553.40-4,571,699.92

Finding the Fourth Proportional to 12,143,035.60, 18,214,553.40 and 4,571,699.92

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Solution

The fourth proportional to 12,143,035.60, 18,214,553.40 and 4,571,699.92 is: 6,857,549.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,143,035.60 : 18,214,553.40 = 4,571,699.92 : x
  2. Step 2: Convert to fraction form
    12,143,035.60/18,214,553.40 = 4,571,699.92/x
  3. Step 3: Cross multiply
    12,143,035.60x = 18,214,553.40 × 4,571,699.92
  4. Step 4: Simplify right side
    12,143,035.60x = 83,271,472,321,615.72
  5. Step 5: Solve for x
    x = 83,271,472,321,615.72/12,143,035.60
  6. Step 6: Final answer
    x = 6,857,549.88

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1.5x scale

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.