Home / 15,303,880.89-21,121,651.68-11,626,746.57

Finding the Fourth Proportional to 15,303,880.89, 21,121,651.68 and 11,626,746.57

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Solution

The fourth proportional to 15,303,880.89, 21,121,651.68 and 11,626,746.57 is: 16,046,654.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,303,880.89 : 21,121,651.68 = 11,626,746.57 : x
  2. Step 2: Convert to fraction form
    15,303,880.89/21,121,651.68 = 11,626,746.57/x
  3. Step 3: Cross multiply
    15,303,880.89x = 21,121,651.68 × 11,626,746.57
  4. Step 4: Simplify right side
    15,303,880.89x = 245,576,091,223,174.75
  5. Step 5: Solve for x
    x = 245,576,091,223,174.75/15,303,880.89
  6. Step 6: Final answer
    x = 16,046,654.64

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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.