Home / 12,240,823.76-18,360,571.55-3,720,495.90

Finding the Fourth Proportional to 12,240,823.76, 18,360,571.55 and 3,720,495.90

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Solution

The fourth proportional to 12,240,823.76, 18,360,571.55 and 3,720,495.90 is: 5,580,542.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240,823.76 : 18,360,571.55 = 3,720,495.90 : x
  2. Step 2: Convert to fraction form
    12,240,823.76/18,360,571.55 = 3,720,495.90/x
  3. Step 3: Cross multiply
    12,240,823.76x = 18,360,571.55 × 3,720,495.90
  4. Step 4: Simplify right side
    12,240,823.76x = 68,310,431,154,829.17
  5. Step 5: Solve for x
    x = 68,310,431,154,829.17/12,240,823.76
  6. Step 6: Final answer
    x = 5,580,542.01

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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.