Home / 18,159,380.40-27,249,669-10,079,137.20

Finding the Fourth Proportional to 18,159,380.40, 27,249,669 and 10,079,137.20

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Solution

The fourth proportional to 18,159,380.40, 27,249,669 and 10,079,137.20 is: 15,124,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159,380.40 : 27,249,669 = 10,079,137.20 : x
  2. Step 2: Convert to fraction form
    18,159,380.40/27,249,669 = 10,079,137.20/x
  3. Step 3: Cross multiply
    18,159,380.40x = 27,249,669 × 10,079,137.20
  4. Step 4: Simplify right side
    18,159,380.40x = 274,653,152,505,586.78
  5. Step 5: Solve for x
    x = 274,653,152,505,586.78/18,159,380.40
  6. Step 6: Final answer
    x = 15,124,588.31

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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.