Home / 12,316,010.40-18,424,249.20-10,651,600.80

Finding the Fourth Proportional to 12,316,010.40, 18,424,249.20 and 10,651,600.80

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Solution

The fourth proportional to 12,316,010.40, 18,424,249.20 and 10,651,600.80 is: 15,934,360.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316,010.40 : 18,424,249.20 = 10,651,600.80 : x
  2. Step 2: Convert to fraction form
    12,316,010.40/18,424,249.20 = 10,651,600.80/x
  3. Step 3: Cross multiply
    12,316,010.40x = 18,424,249.20 × 10,651,600.80
  4. Step 4: Simplify right side
    12,316,010.40x = 196,247,747,518,119.38
  5. Step 5: Solve for x
    x = 196,247,747,518,119.38/12,316,010.40
  6. Step 6: Final answer
    x = 15,934,360.33

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1.5x scale

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.