Home / 14,735,880.48-20,336,142.78-8,209,506.36

Finding the Fourth Proportional to 14,735,880.48, 20,336,142.78 and 8,209,506.36

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Solution

The fourth proportional to 14,735,880.48, 20,336,142.78 and 8,209,506.36 is: 11,329,468.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,735,880.48 : 20,336,142.78 = 8,209,506.36 : x
  2. Step 2: Convert to fraction form
    14,735,880.48/20,336,142.78 = 8,209,506.36/x
  3. Step 3: Cross multiply
    14,735,880.48x = 20,336,142.78 × 8,209,506.36
  4. Step 4: Simplify right side
    14,735,880.48x = 166,949,693,490,278.09
  5. Step 5: Solve for x
    x = 166,949,693,490,278.09/14,735,880.48
  6. Step 6: Final answer
    x = 11,329,468.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.