Home / 40,465,325.38-55,842,109.63-21,880,421.05

Finding the Fourth Proportional to 40,465,325.38, 55,842,109.63 and 21,880,421.05

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Solution

The fourth proportional to 40,465,325.38, 55,842,109.63 and 21,880,421.05 is: 30,194,959.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,465,325.38 : 55,842,109.63 = 21,880,421.05 : x
  2. Step 2: Convert to fraction form
    40,465,325.38/55,842,109.63 = 21,880,421.05/x
  3. Step 3: Cross multiply
    40,465,325.38x = 55,842,109.63 × 21,880,421.05
  4. Step 4: Simplify right side
    40,465,325.38x = 1,221,848,871,024,659.75
  5. Step 5: Solve for x
    x = 1,221,848,871,024,659.75/40,465,325.38
  6. Step 6: Final answer
    x = 30,194,959.75

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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.