Home / 13,488,698.02-18,613,278.64-7,608,008.12

Finding the Fourth Proportional to 13,488,698.02, 18,613,278.64 and 7,608,008.12

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Solution

The fourth proportional to 13,488,698.02, 18,613,278.64 and 7,608,008.12 is: 10,498,416.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,698.02 : 18,613,278.64 = 7,608,008.12 : x
  2. Step 2: Convert to fraction form
    13,488,698.02/18,613,278.64 = 7,608,008.12/x
  3. Step 3: Cross multiply
    13,488,698.02x = 18,613,278.64 × 7,608,008.12
  4. Step 4: Simplify right side
    13,488,698.02x = 141,609,975,032,942.56
  5. Step 5: Solve for x
    x = 141,609,975,032,942.56/13,488,698.02
  6. Step 6: Final answer
    x = 10,498,416.88

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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.