Home / 20,590,082.12-30,885,341.88-6,213,276.30

Finding the Fourth Proportional to 20,590,082.12, 30,885,341.88 and 6,213,276.30

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Solution

The fourth proportional to 20,590,082.12, 30,885,341.88 and 6,213,276.30 is: 9,319,980.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,590,082.12 : 30,885,341.88 = 6,213,276.30 : x
  2. Step 2: Convert to fraction form
    20,590,082.12/30,885,341.88 = 6,213,276.30/x
  3. Step 3: Cross multiply
    20,590,082.12x = 30,885,341.88 × 6,213,276.30
  4. Step 4: Simplify right side
    20,590,082.12x = 191,899,162,720,401.44
  5. Step 5: Solve for x
    x = 191,899,162,720,401.44/20,590,082.12
  6. Step 6: Final answer
    x = 9,319,980.45

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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.