Home / 20,211,071.40-30,320,543.70-5,834,608.20

Finding the Fourth Proportional to 20,211,071.40, 30,320,543.70 and 5,834,608.20

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Solution

The fourth proportional to 20,211,071.40, 30,320,543.70 and 5,834,608.20 is: 8,753,048.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,211,071.40 : 30,320,543.70 = 5,834,608.20 : x
  2. Step 2: Convert to fraction form
    20,211,071.40/30,320,543.70 = 5,834,608.20/x
  3. Step 3: Cross multiply
    20,211,071.40x = 30,320,543.70 × 5,834,608.20
  4. Step 4: Simplify right side
    20,211,071.40x = 176,908,492,900,478.34
  5. Step 5: Solve for x
    x = 176,908,492,900,478.34/20,211,071.40
  6. Step 6: Final answer
    x = 8,753,048.73

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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.