Home / 8,470,399.48-12,707,970.90-3,425,252.92

Finding the Fourth Proportional to 8,470,399.48, 12,707,970.90 and 3,425,252.92

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Solution

The fourth proportional to 8,470,399.48, 12,707,970.90 and 3,425,252.92 is: 5,138,838.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470,399.48 : 12,707,970.90 = 3,425,252.92 : x
  2. Step 2: Convert to fraction form
    8,470,399.48/12,707,970.90 = 3,425,252.92/x
  3. Step 3: Cross multiply
    8,470,399.48x = 12,707,970.90 × 3,425,252.92
  4. Step 4: Simplify right side
    8,470,399.48x = 43,528,014,432,500.03
  5. Step 5: Solve for x
    x = 43,528,014,432,500.03/8,470,399.48
  6. Step 6: Final answer
    x = 5,138,838.44

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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.