Home / 28,412,036.40-39,207,655.56-17,963,676.72

Finding the Fourth Proportional to 28,412,036.40, 39,207,655.56 and 17,963,676.72

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Solution

The fourth proportional to 28,412,036.40, 39,207,655.56 and 17,963,676.72 is: 24,789,270.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,412,036.40 : 39,207,655.56 = 17,963,676.72 : x
  2. Step 2: Convert to fraction form
    28,412,036.40/39,207,655.56 = 17,963,676.72/x
  3. Step 3: Cross multiply
    28,412,036.40x = 39,207,655.56 × 17,963,676.72
  4. Step 4: Simplify right side
    28,412,036.40x = 704,313,649,428,950.50
  5. Step 5: Solve for x
    x = 704,313,649,428,950.50/28,412,036.40
  6. Step 6: Final answer
    x = 24,789,270.28

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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.