Home / 12,786,802.80-17,646,134.04-7,633,155.36

Finding the Fourth Proportional to 12,786,802.80, 17,646,134.04 and 7,633,155.36

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Solution

The fourth proportional to 12,786,802.80, 17,646,134.04 and 7,633,155.36 is: 10,533,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786,802.80 : 17,646,134.04 = 7,633,155.36 : x
  2. Step 2: Convert to fraction form
    12,786,802.80/17,646,134.04 = 7,633,155.36/x
  3. Step 3: Cross multiply
    12,786,802.80x = 17,646,134.04 × 7,633,155.36
  4. Step 4: Simplify right side
    12,786,802.80x = 134,695,682,630,704.45
  5. Step 5: Solve for x
    x = 134,695,682,630,704.45/12,786,802.80
  6. Step 6: Final answer
    x = 10,533,961.05

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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.