Home / 18,621,088.71-25,693,251.21-10,884,634.53

Finding the Fourth Proportional to 18,621,088.71, 25,693,251.21 and 10,884,634.53

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Solution

The fourth proportional to 18,621,088.71, 25,693,251.21 and 10,884,634.53 is: 15,018,544.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621,088.71 : 25,693,251.21 = 10,884,634.53 : x
  2. Step 2: Convert to fraction form
    18,621,088.71/25,693,251.21 = 10,884,634.53/x
  3. Step 3: Cross multiply
    18,621,088.71x = 25,693,251.21 × 10,884,634.53
  4. Step 4: Simplify right side
    18,621,088.71x = 279,661,649,308,330.28
  5. Step 5: Solve for x
    x = 279,661,649,308,330.28/18,621,088.71
  6. Step 6: Final answer
    x = 15,018,544.49

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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.