Home / 18,125,098.21-25,012,739.55-9,865,140.80

Finding the Fourth Proportional to 18,125,098.21, 25,012,739.55 and 9,865,140.80

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Solution

The fourth proportional to 18,125,098.21, 25,012,739.55 and 9,865,140.80 is: 13,613,950.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,098.21 : 25,012,739.55 = 9,865,140.80 : x
  2. Step 2: Convert to fraction form
    18,125,098.21/25,012,739.55 = 9,865,140.80/x
  3. Step 3: Cross multiply
    18,125,098.21x = 25,012,739.55 × 9,865,140.80
  4. Step 4: Simplify right side
    18,125,098.21x = 246,754,197,366,409.22
  5. Step 5: Solve for x
    x = 246,754,197,366,409.22/18,125,098.21
  6. Step 6: Final answer
    x = 13,613,950.91

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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.