Home / 40,127,900.22-55,376,827.56-21,793,316.94

Finding the Fourth Proportional to 40,127,900.22, 55,376,827.56 and 21,793,316.94

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Solution

The fourth proportional to 40,127,900.22, 55,376,827.56 and 21,793,316.94 is: 30,074,954.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,127,900.22 : 55,376,827.56 = 21,793,316.94 : x
  2. Step 2: Convert to fraction form
    40,127,900.22/55,376,827.56 = 21,793,316.94/x
  3. Step 3: Cross multiply
    40,127,900.22x = 55,376,827.56 × 21,793,316.94
  4. Step 4: Simplify right side
    40,127,900.22x = 1,206,844,754,146,807
  5. Step 5: Solve for x
    x = 1,206,844,754,146,807/40,127,900.22
  6. Step 6: Final answer
    x = 30,074,954.02

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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.