Home / 40,465,325.63-55,842,109.97-21,880,421.30

Finding the Fourth Proportional to 40,465,325.63, 55,842,109.97 and 21,880,421.30

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Solution

The fourth proportional to 40,465,325.63, 55,842,109.97 and 21,880,421.30 is: 30,194,960.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,465,325.63 : 55,842,109.97 = 21,880,421.30 : x
  2. Step 2: Convert to fraction form
    40,465,325.63/55,842,109.97 = 21,880,421.30/x
  3. Step 3: Cross multiply
    40,465,325.63x = 55,842,109.97 × 21,880,421.30
  4. Step 4: Simplify right side
    40,465,325.63x = 1,221,848,892,035,918
  5. Step 5: Solve for x
    x = 1,221,848,892,035,918/40,465,325.63
  6. Step 6: Final answer
    x = 30,194,960.08

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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.