Home / 28,514,419.40-42,771,629.10-17,177,011.40

Finding the Fourth Proportional to 28,514,419.40, 42,771,629.10 and 17,177,011.40

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Solution

The fourth proportional to 28,514,419.40, 42,771,629.10 and 17,177,011.40 is: 25,765,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514,419.40 : 42,771,629.10 = 17,177,011.40 : x
  2. Step 2: Convert to fraction form
    28,514,419.40/42,771,629.10 = 17,177,011.40/x
  3. Step 3: Cross multiply
    28,514,419.40x = 42,771,629.10 × 17,177,011.40
  4. Step 4: Simplify right side
    28,514,419.40x = 734,688,760,647,271.75
  5. Step 5: Solve for x
    x = 734,688,760,647,271.75/28,514,419.40
  6. Step 6: Final answer
    x = 25,765,517.10

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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.