Home / 12,602,406.80-18,903,610.20-4,083,604.40

Finding the Fourth Proportional to 12,602,406.80, 18,903,610.20 and 4,083,604.40

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Solution

The fourth proportional to 12,602,406.80, 18,903,610.20 and 4,083,604.40 is: 6,125,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602,406.80 : 18,903,610.20 = 4,083,604.40 : x
  2. Step 2: Convert to fraction form
    12,602,406.80/18,903,610.20 = 4,083,604.40/x
  3. Step 3: Cross multiply
    12,602,406.80x = 18,903,610.20 × 4,083,604.40
  4. Step 4: Simplify right side
    12,602,406.80x = 77,194,865,788,604.88
  5. Step 5: Solve for x
    x = 77,194,865,788,604.88/12,602,406.80
  6. Step 6: Final answer
    x = 6,125,406.60

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Similar ratio
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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.