Home / 12,468,585.60-18,714,688.20-7,685,616.60

Finding the Fourth Proportional to 12,468,585.60, 18,714,688.20 and 7,685,616.60

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Solution

The fourth proportional to 12,468,585.60, 18,714,688.20 and 7,685,616.60 is: 11,535,704.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468,585.60 : 18,714,688.20 = 7,685,616.60 : x
  2. Step 2: Convert to fraction form
    12,468,585.60/18,714,688.20 = 7,685,616.60/x
  3. Step 3: Cross multiply
    12,468,585.60x = 18,714,688.20 × 7,685,616.60
  4. Step 4: Simplify right side
    12,468,585.60x = 143,833,918,293,744.09
  5. Step 5: Solve for x
    x = 143,833,918,293,744.09/12,468,585.60
  6. Step 6: Final answer
    x = 11,535,704.44

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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.