Home / 7,305,250.20-10,957,875.30-1,913,890.20

Finding the Fourth Proportional to 7,305,250.20, 10,957,875.30 and 1,913,890.20

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Solution

The fourth proportional to 7,305,250.20, 10,957,875.30 and 1,913,890.20 is: 2,870,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305,250.20 : 10,957,875.30 = 1,913,890.20 : x
  2. Step 2: Convert to fraction form
    7,305,250.20/10,957,875.30 = 1,913,890.20/x
  3. Step 3: Cross multiply
    7,305,250.20x = 10,957,875.30 × 1,913,890.20
  4. Step 4: Simplify right side
    7,305,250.20x = 20,972,170,149,492.06
  5. Step 5: Solve for x
    x = 20,972,170,149,492.06/7,305,250.20
  6. Step 6: Final answer
    x = 2,870,835.30

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Double scale
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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.