Home / 12,242,425.80-18,341,520.30-10,472,953.80

Finding the Fourth Proportional to 12,242,425.80, 18,341,520.30 and 10,472,953.80

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Solution

The fourth proportional to 12,242,425.80, 18,341,520.30 and 10,472,953.80 is: 15,690,509.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242,425.80 : 18,341,520.30 = 10,472,953.80 : x
  2. Step 2: Convert to fraction form
    12,242,425.80/18,341,520.30 = 10,472,953.80/x
  3. Step 3: Cross multiply
    12,242,425.80x = 18,341,520.30 × 10,472,953.80
  4. Step 4: Simplify right side
    12,242,425.80x = 192,089,894,723,662.16
  5. Step 5: Solve for x
    x = 192,089,894,723,662.16/12,242,425.80
  6. Step 6: Final answer
    x = 15,690,509.21

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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.