Home / 51,686,819-71,328,288.56-28,482,776.36

Finding the Fourth Proportional to 51,686,819, 71,328,288.56 and 28,482,776.36

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Solution

The fourth proportional to 51,686,819, 71,328,288.56 and 28,482,776.36 is: 39,306,494.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,686,819 : 71,328,288.56 = 28,482,776.36 : x
  2. Step 2: Convert to fraction form
    51,686,819/71,328,288.56 = 28,482,776.36/x
  3. Step 3: Cross multiply
    51,686,819x = 71,328,288.56 × 28,482,776.36
  4. Step 4: Simplify right side
    51,686,819x = 2,031,627,691,196,026.50
  5. Step 5: Solve for x
    x = 2,031,627,691,196,026.50/51,686,819
  6. Step 6: Final answer
    x = 39,306,494.97

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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.