Home / 13,989,829.10-20,987,696.10-4,406,176.40

Finding the Fourth Proportional to 13,989,829.10, 20,987,696.10 and 4,406,176.40

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Solution

The fourth proportional to 13,989,829.10, 20,987,696.10 and 4,406,176.40 is: 6,610,194.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989,829.10 : 20,987,696.10 = 4,406,176.40 : x
  2. Step 2: Convert to fraction form
    13,989,829.10/20,987,696.10 = 4,406,176.40/x
  3. Step 3: Cross multiply
    13,989,829.10x = 20,987,696.10 × 4,406,176.40
  4. Step 4: Simplify right side
    13,989,829.10x = 92,475,491,246,192.05
  5. Step 5: Solve for x
    x = 92,475,491,246,192.05/13,989,829.10
  6. Step 6: Final answer
    x = 6,610,194.49

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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.