Home / 40,077,002.40-55,306,283.28-21,742,283.04

Finding the Fourth Proportional to 40,077,002.40, 55,306,283.28 and 21,742,283.04

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Solution

The fourth proportional to 40,077,002.40, 55,306,283.28 and 21,742,283.04 is: 30,004,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,077,002.40 : 55,306,283.28 = 21,742,283.04 : x
  2. Step 2: Convert to fraction form
    40,077,002.40/55,306,283.28 = 21,742,283.04/x
  3. Step 3: Cross multiply
    40,077,002.40x = 55,306,283.28 × 21,742,283.04
  4. Step 4: Simplify right side
    40,077,002.40x = 1,202,484,864,964,179.50
  5. Step 5: Solve for x
    x = 1,202,484,864,964,179.50/40,077,002.40
  6. Step 6: Final answer
    x = 30,004,361.43

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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.