Home / 8,290,690.57-12,443,023.29-3,501,816.67

Finding the Fourth Proportional to 8,290,690.57, 12,443,023.29 and 3,501,816.67

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Solution

The fourth proportional to 8,290,690.57, 12,443,023.29 and 3,501,816.67 is: 5,255,676.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290,690.57 : 12,443,023.29 = 3,501,816.67 : x
  2. Step 2: Convert to fraction form
    8,290,690.57/12,443,023.29 = 3,501,816.67/x
  3. Step 3: Cross multiply
    8,290,690.57x = 12,443,023.29 × 3,501,816.67
  4. Step 4: Simplify right side
    8,290,690.57x = 43,573,186,382,120.24
  5. Step 5: Solve for x
    x = 43,573,186,382,120.24/8,290,690.57
  6. Step 6: Final answer
    x = 5,255,676.35

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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.