Home / 40,077,040.05-55,306,422.47-21,742,325.55

Finding the Fourth Proportional to 40,077,040.05, 55,306,422.47 and 21,742,325.55

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Solution

The fourth proportional to 40,077,040.05, 55,306,422.47 and 21,742,325.55 is: 30,004,467.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,077,040.05 : 55,306,422.47 = 21,742,325.55 : x
  2. Step 2: Convert to fraction form
    40,077,040.05/55,306,422.47 = 21,742,325.55/x
  3. Step 3: Cross multiply
    40,077,040.05x = 55,306,422.47 × 21,742,325.55
  4. Step 4: Simplify right side
    40,077,040.05x = 1,202,490,242,348,575
  5. Step 5: Solve for x
    x = 1,202,490,242,348,575/40,077,040.05
  6. Step 6: Final answer
    x = 30,004,467.42

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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.