Home / 30,542,418.81-45,752,288.11-14,124,690.88

Finding the Fourth Proportional to 30,542,418.81, 45,752,288.11 and 14,124,690.88

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Solution

The fourth proportional to 30,542,418.81, 45,752,288.11 and 14,124,690.88 is: 21,158,668.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,542,418.81 : 45,752,288.11 = 14,124,690.88 : x
  2. Step 2: Convert to fraction form
    30,542,418.81/45,752,288.11 = 14,124,690.88/x
  3. Step 3: Cross multiply
    30,542,418.81x = 45,752,288.11 × 14,124,690.88
  4. Step 4: Simplify right side
    30,542,418.81x = 646,236,926,628,328.12
  5. Step 5: Solve for x
    x = 646,236,926,628,328.12/30,542,418.81
  6. Step 6: Final answer
    x = 21,158,668.89

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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.