Home / 18,884,005.10-28,326,007.65-17,435,336.30

Finding the Fourth Proportional to 18,884,005.10, 28,326,007.65 and 17,435,336.30

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Solution

The fourth proportional to 18,884,005.10, 28,326,007.65 and 17,435,336.30 is: 26,153,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884,005.10 : 28,326,007.65 = 17,435,336.30 : x
  2. Step 2: Convert to fraction form
    18,884,005.10/28,326,007.65 = 17,435,336.30/x
  3. Step 3: Cross multiply
    18,884,005.10x = 28,326,007.65 × 17,435,336.30
  4. Step 4: Simplify right side
    18,884,005.10x = 493,873,469,414,122.69
  5. Step 5: Solve for x
    x = 493,873,469,414,122.69/18,884,005.10
  6. Step 6: Final answer
    x = 26,153,004.45

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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.