Home / 21,059,387.48-31,591,009.02-5,913,216.92

Finding the Fourth Proportional to 21,059,387.48, 31,591,009.02 and 5,913,216.92

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Solution

The fourth proportional to 21,059,387.48, 31,591,009.02 and 5,913,216.92 is: 8,870,366.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,059,387.48 : 31,591,009.02 = 5,913,216.92 : x
  2. Step 2: Convert to fraction form
    21,059,387.48/31,591,009.02 = 5,913,216.92/x
  3. Step 3: Cross multiply
    21,059,387.48x = 31,591,009.02 × 5,913,216.92
  4. Step 4: Simplify right side
    21,059,387.48x = 186,804,489,056,936.62
  5. Step 5: Solve for x
    x = 186,804,489,056,936.62/21,059,387.48
  6. Step 6: Final answer
    x = 8,870,366.68

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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.