Home / 9,077,416.60-13,602,128.10-7,873,691.80

Finding the Fourth Proportional to 9,077,416.60, 13,602,128.10 and 7,873,691.80

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Solution

The fourth proportional to 9,077,416.60, 13,602,128.10 and 7,873,691.80 is: 11,798,396.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,077,416.60 : 13,602,128.10 = 7,873,691.80 : x
  2. Step 2: Convert to fraction form
    9,077,416.60/13,602,128.10 = 7,873,691.80/x
  3. Step 3: Cross multiply
    9,077,416.60x = 13,602,128.10 × 7,873,691.80
  4. Step 4: Simplify right side
    9,077,416.60x = 107,098,964,483,519.58
  5. Step 5: Solve for x
    x = 107,098,964,483,519.58/9,077,416.60
  6. Step 6: Final answer
    x = 11,798,396.97

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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.