Home / 20,841,511.73-28,761,455.06-11,549,237.01

Finding the Fourth Proportional to 20,841,511.73, 28,761,455.06 and 11,549,237.01

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Solution

The fourth proportional to 20,841,511.73, 28,761,455.06 and 11,549,237.01 is: 15,938,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841,511.73 : 28,761,455.06 = 11,549,237.01 : x
  2. Step 2: Convert to fraction form
    20,841,511.73/28,761,455.06 = 11,549,237.01/x
  3. Step 3: Cross multiply
    20,841,511.73x = 28,761,455.06 × 11,549,237.01
  4. Step 4: Simplify right side
    20,841,511.73x = 332,172,861,182,657.56
  5. Step 5: Solve for x
    x = 332,172,861,182,657.56/20,841,511.73
  6. Step 6: Final answer
    x = 15,938,040.65

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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.