Home / 10,870,001.20-16,305,001.80-7,286,820.40

Finding the Fourth Proportional to 10,870,001.20, 16,305,001.80 and 7,286,820.40

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Solution

The fourth proportional to 10,870,001.20, 16,305,001.80 and 7,286,820.40 is: 10,930,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,870,001.20 : 16,305,001.80 = 7,286,820.40 : x
  2. Step 2: Convert to fraction form
    10,870,001.20/16,305,001.80 = 7,286,820.40/x
  3. Step 3: Cross multiply
    10,870,001.20x = 16,305,001.80 × 7,286,820.40
  4. Step 4: Simplify right side
    10,870,001.20x = 118,811,619,738,276.73
  5. Step 5: Solve for x
    x = 118,811,619,738,276.73/10,870,001.20
  6. Step 6: Final answer
    x = 10,930,230.60

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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.