Home / 15,763,939.20-23,645,908.80-8,572,694.40

Finding the Fourth Proportional to 15,763,939.20, 23,645,908.80 and 8,572,694.40

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Solution

The fourth proportional to 15,763,939.20, 23,645,908.80 and 8,572,694.40 is: 12,859,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,763,939.20 : 23,645,908.80 = 8,572,694.40 : x
  2. Step 2: Convert to fraction form
    15,763,939.20/23,645,908.80 = 8,572,694.40/x
  3. Step 3: Cross multiply
    15,763,939.20x = 23,645,908.80 × 8,572,694.40
  4. Step 4: Simplify right side
    15,763,939.20x = 202,709,149,952,670.75
  5. Step 5: Solve for x
    x = 202,709,149,952,670.75/15,763,939.20
  6. Step 6: Final answer
    x = 12,859,041.60

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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.