Home / 7,443,994.20-11,160,086.40-4,078,201.20

Finding the Fourth Proportional to 7,443,994.20, 11,160,086.40 and 4,078,201.20

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Solution

The fourth proportional to 7,443,994.20, 11,160,086.40 and 4,078,201.20 is: 6,114,066.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443,994.20 : 11,160,086.40 = 4,078,201.20 : x
  2. Step 2: Convert to fraction form
    7,443,994.20/11,160,086.40 = 4,078,201.20/x
  3. Step 3: Cross multiply
    7,443,994.20x = 11,160,086.40 × 4,078,201.20
  4. Step 4: Simplify right side
    7,443,994.20x = 45,513,077,748,583.69
  5. Step 5: Solve for x
    x = 45,513,077,748,583.69/7,443,994.20
  6. Step 6: Final answer
    x = 6,114,066.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.