Home / 10,861,921.80-16,302,068.10-4,476,756.60

Finding the Fourth Proportional to 10,861,921.80, 16,302,068.10 and 4,476,756.60

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Solution

The fourth proportional to 10,861,921.80, 16,302,068.10 and 4,476,756.60 is: 6,718,920.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861,921.80 : 16,302,068.10 = 4,476,756.60 : x
  2. Step 2: Convert to fraction form
    10,861,921.80/16,302,068.10 = 4,476,756.60/x
  3. Step 3: Cross multiply
    10,861,921.80x = 16,302,068.10 × 4,476,756.60
  4. Step 4: Simplify right side
    10,861,921.80x = 72,980,390,960,324.45
  5. Step 5: Solve for x
    x = 72,980,390,960,324.45/10,861,921.80
  6. Step 6: Final answer
    x = 6,718,920.68

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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.