Home / 22,486,173.12-31,030,661.52-12,172,669.92

Finding the Fourth Proportional to 22,486,173.12, 31,030,661.52 and 12,172,669.92

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Solution

The fourth proportional to 22,486,173.12, 31,030,661.52 and 12,172,669.92 is: 16,798,145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486,173.12 : 31,030,661.52 = 12,172,669.92 : x
  2. Step 2: Convert to fraction form
    22,486,173.12/31,030,661.52 = 12,172,669.92/x
  3. Step 3: Cross multiply
    22,486,173.12x = 31,030,661.52 × 12,172,669.92
  4. Step 4: Simplify right side
    22,486,173.12x = 377,726,000,082,205.50
  5. Step 5: Solve for x
    x = 377,726,000,082,205.50/22,486,173.12
  6. Step 6: Final answer
    x = 16,798,145.16

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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.