Home / 13,309,723.60-19,964,520.60-5,216,981.20

Finding the Fourth Proportional to 13,309,723.60, 19,964,520.60 and 5,216,981.20

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Solution

The fourth proportional to 13,309,723.60, 19,964,520.60 and 5,216,981.20 is: 7,825,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,723.60 : 19,964,520.60 = 5,216,981.20 : x
  2. Step 2: Convert to fraction form
    13,309,723.60/19,964,520.60 = 5,216,981.20/x
  3. Step 3: Cross multiply
    13,309,723.60x = 19,964,520.60 × 5,216,981.20
  4. Step 4: Simplify right side
    13,309,723.60x = 104,154,528,637,212.73
  5. Step 5: Solve for x
    x = 104,154,528,637,212.73/13,309,723.60
  6. Step 6: Final answer
    x = 7,825,446.40

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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.