Home / 15,783,145.80-23,692,433.40-12,204,776.40

Finding the Fourth Proportional to 15,783,145.80, 23,692,433.40 and 12,204,776.40

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Solution

The fourth proportional to 15,783,145.80, 23,692,433.40 and 12,204,776.40 is: 18,320,863.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783,145.80 : 23,692,433.40 = 12,204,776.40 : x
  2. Step 2: Convert to fraction form
    15,783,145.80/23,692,433.40 = 12,204,776.40/x
  3. Step 3: Cross multiply
    15,783,145.80x = 23,692,433.40 × 12,204,776.40
  4. Step 4: Simplify right side
    15,783,145.80x = 289,160,852,018,891.75
  5. Step 5: Solve for x
    x = 289,160,852,018,891.75/15,783,145.80
  6. Step 6: Final answer
    x = 18,320,863.01

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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.