Home / 18,553,158.52-27,821,579.46-7,615,838.68

Finding the Fourth Proportional to 18,553,158.52, 27,821,579.46 and 7,615,838.68

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Solution

The fourth proportional to 18,553,158.52, 27,821,579.46 and 7,615,838.68 is: 11,420,409.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553,158.52 : 27,821,579.46 = 7,615,838.68 : x
  2. Step 2: Convert to fraction form
    18,553,158.52/27,821,579.46 = 7,615,838.68/x
  3. Step 3: Cross multiply
    18,553,158.52x = 27,821,579.46 × 7,615,838.68
  4. Step 4: Simplify right side
    18,553,158.52x = 211,884,660,990,161.50
  5. Step 5: Solve for x
    x = 211,884,660,990,161.50/18,553,158.52
  6. Step 6: Final answer
    x = 11,420,409.13

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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.