Home / 18,621,282.96-25,693,518.87-10,884,828.78

Finding the Fourth Proportional to 18,621,282.96, 25,693,518.87 and 10,884,828.78

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Solution

The fourth proportional to 18,621,282.96, 25,693,518.87 and 10,884,828.78 is: 15,018,812.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621,282.96 : 25,693,518.87 = 10,884,828.78 : x
  2. Step 2: Convert to fraction form
    18,621,282.96/25,693,518.87 = 10,884,828.78/x
  3. Step 3: Cross multiply
    18,621,282.96x = 25,693,518.87 × 10,884,828.78
  4. Step 4: Simplify right side
    18,621,282.96x = 279,669,553,655,649.06
  5. Step 5: Solve for x
    x = 279,669,553,655,649.06/18,621,282.96
  6. Step 6: Final answer
    x = 15,018,812.31

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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.