Home / 18,428,061.60-25,430,551.44-10,168,198.56

Finding the Fourth Proportional to 18,428,061.60, 25,430,551.44 and 10,168,198.56

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Solution

The fourth proportional to 18,428,061.60, 25,430,551.44 and 10,168,198.56 is: 14,032,018.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428,061.60 : 25,430,551.44 = 10,168,198.56 : x
  2. Step 2: Convert to fraction form
    18,428,061.60/25,430,551.44 = 10,168,198.56/x
  3. Step 3: Cross multiply
    18,428,061.60x = 25,430,551.44 × 10,168,198.56
  4. Step 4: Simplify right side
    18,428,061.60x = 258,582,896,532,213.97
  5. Step 5: Solve for x
    x = 258,582,896,532,213.97/18,428,061.60
  6. Step 6: Final answer
    x = 14,032,018.24

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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.