Home / 13,046,600.79-18,003,816.18-7,245,756.18

Finding the Fourth Proportional to 13,046,600.79, 18,003,816.18 and 7,245,756.18

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Solution

The fourth proportional to 13,046,600.79, 18,003,816.18 and 7,245,756.18 is: 9,998,869.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046,600.79 : 18,003,816.18 = 7,245,756.18 : x
  2. Step 2: Convert to fraction form
    13,046,600.79/18,003,816.18 = 7,245,756.18/x
  3. Step 3: Cross multiply
    13,046,600.79x = 18,003,816.18 × 7,245,756.18
  4. Step 4: Simplify right side
    13,046,600.79x = 130,451,262,349,818.98
  5. Step 5: Solve for x
    x = 130,451,262,349,818.98/13,046,600.79
  6. Step 6: Final answer
    x = 9,998,869.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.