Home / 12,400,956.20-18,604,991.84-5,208,791.24

Finding the Fourth Proportional to 12,400,956.20, 18,604,991.84 and 5,208,791.24

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Solution

The fourth proportional to 12,400,956.20, 18,604,991.84 and 5,208,791.24 is: 7,814,681.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400,956.20 : 18,604,991.84 = 5,208,791.24 : x
  2. Step 2: Convert to fraction form
    12,400,956.20/18,604,991.84 = 5,208,791.24/x
  3. Step 3: Cross multiply
    12,400,956.20x = 18,604,991.84 × 5,208,791.24
  4. Step 4: Simplify right side
    12,400,956.20x = 96,909,518,516,463.48
  5. Step 5: Solve for x
    x = 96,909,518,516,463.48/12,400,956.20
  6. Step 6: Final answer
    x = 7,814,681.14

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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.