Home / 18,703,668.82-28,030,701-9,605,398.90

Finding the Fourth Proportional to 18,703,668.82, 28,030,701 and 9,605,398.90

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Solution

The fourth proportional to 18,703,668.82, 28,030,701 and 9,605,398.90 is: 14,395,360.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,703,668.82 : 28,030,701 = 9,605,398.90 : x
  2. Step 2: Convert to fraction form
    18,703,668.82/28,030,701 = 9,605,398.90/x
  3. Step 3: Cross multiply
    18,703,668.82x = 28,030,701 × 9,605,398.90
  4. Step 4: Simplify right side
    18,703,668.82x = 269,246,064,551,628.91
  5. Step 5: Solve for x
    x = 269,246,064,551,628.91/18,703,668.82
  6. Step 6: Final answer
    x = 14,395,360.99

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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.