Home / 40,077,043.67-55,306,427.47-21,742,329.17

Finding the Fourth Proportional to 40,077,043.67, 55,306,427.47 and 21,742,329.17

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Solution

The fourth proportional to 40,077,043.67, 55,306,427.47 and 21,742,329.17 is: 30,004,472.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,077,043.67 : 55,306,427.47 = 21,742,329.17 : x
  2. Step 2: Convert to fraction form
    40,077,043.67/55,306,427.47 = 21,742,329.17/x
  3. Step 3: Cross multiply
    40,077,043.67x = 55,306,427.47 × 21,742,329.17
  4. Step 4: Simplify right side
    40,077,043.67x = 1,202,490,551,353,380.50
  5. Step 5: Solve for x
    x = 1,202,490,551,353,380.50/40,077,043.67
  6. Step 6: Final answer
    x = 30,004,472.42

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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.