Home / 13,456,870.80-20,185,306.20-8,082,099.60

Finding the Fourth Proportional to 13,456,870.80, 20,185,306.20 and 8,082,099.60

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Solution

The fourth proportional to 13,456,870.80, 20,185,306.20 and 8,082,099.60 is: 12,123,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456,870.80 : 20,185,306.20 = 8,082,099.60 : x
  2. Step 2: Convert to fraction form
    13,456,870.80/20,185,306.20 = 8,082,099.60/x
  3. Step 3: Cross multiply
    13,456,870.80x = 20,185,306.20 × 8,082,099.60
  4. Step 4: Simplify right side
    13,456,870.80x = 163,139,655,164,897.50
  5. Step 5: Solve for x
    x = 163,139,655,164,897.50/13,456,870.80
  6. Step 6: Final answer
    x = 12,123,149.40

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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.