Home / 18,604,038.75-27,909,783.15-10,418,321.86

Finding the Fourth Proportional to 18,604,038.75, 27,909,783.15 and 10,418,321.86

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Solution

The fourth proportional to 18,604,038.75, 27,909,783.15 and 10,418,321.86 is: 15,629,568.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604,038.75 : 27,909,783.15 = 10,418,321.86 : x
  2. Step 2: Convert to fraction form
    18,604,038.75/27,909,783.15 = 10,418,321.86/x
  3. Step 3: Cross multiply
    18,604,038.75x = 27,909,783.15 × 10,418,321.86
  4. Step 4: Simplify right side
    18,604,038.75x = 290,773,103,790,661.50
  5. Step 5: Solve for x
    x = 290,773,103,790,661.50/18,604,038.75
  6. Step 6: Final answer
    x = 15,629,568.81

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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.