Home / 7,129,289.40-10,693,934.10-2,081,110.20

Finding the Fourth Proportional to 7,129,289.40, 10,693,934.10 and 2,081,110.20

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Solution

The fourth proportional to 7,129,289.40, 10,693,934.10 and 2,081,110.20 is: 3,121,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,289.40 : 10,693,934.10 = 2,081,110.20 : x
  2. Step 2: Convert to fraction form
    7,129,289.40/10,693,934.10 = 2,081,110.20/x
  3. Step 3: Cross multiply
    7,129,289.40x = 10,693,934.10 × 2,081,110.20
  4. Step 4: Simplify right side
    7,129,289.40x = 22,255,255,333,637.82
  5. Step 5: Solve for x
    x = 22,255,255,333,637.82/7,129,289.40
  6. Step 6: Final answer
    x = 3,121,665.30

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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.