Home / 19,321,710.10-28,986,064.35-9,712,906.90

Finding the Fourth Proportional to 19,321,710.10, 28,986,064.35 and 9,712,906.90

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Solution

The fourth proportional to 19,321,710.10, 28,986,064.35 and 9,712,906.90 is: 14,571,119.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321,710.10 : 28,986,064.35 = 9,712,906.90 : x
  2. Step 2: Convert to fraction form
    19,321,710.10/28,986,064.35 = 9,712,906.90/x
  3. Step 3: Cross multiply
    19,321,710.10x = 28,986,064.35 × 9,712,906.90
  4. Step 4: Simplify right side
    19,321,710.10x = 281,538,944,428,959.06
  5. Step 5: Solve for x
    x = 281,538,944,428,959.06/19,321,710.10
  6. Step 6: Final answer
    x = 14,571,119.38

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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.