Home / 21,022,182.60-31,533,273.90-7,390,720.95

Finding the Fourth Proportional to 21,022,182.60, 31,533,273.90 and 7,390,720.95

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Solution

The fourth proportional to 21,022,182.60, 31,533,273.90 and 7,390,720.95 is: 11,086,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,022,182.60 : 31,533,273.90 = 7,390,720.95 : x
  2. Step 2: Convert to fraction form
    21,022,182.60/31,533,273.90 = 7,390,720.95/x
  3. Step 3: Cross multiply
    21,022,182.60x = 31,533,273.90 × 7,390,720.95
  4. Step 4: Simplify right side
    21,022,182.60x = 233,053,628,034,818.19
  5. Step 5: Solve for x
    x = 233,053,628,034,818.19/21,022,182.60
  6. Step 6: Final answer
    x = 11,086,081.43

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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.