Home / 28,760,428.80-43,140,643.20-25,625,145.60

Finding the Fourth Proportional to 28,760,428.80, 43,140,643.20 and 25,625,145.60

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Solution

The fourth proportional to 28,760,428.80, 43,140,643.20 and 25,625,145.60 is: 38,437,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,760,428.80 : 43,140,643.20 = 25,625,145.60 : x
  2. Step 2: Convert to fraction form
    28,760,428.80/43,140,643.20 = 25,625,145.60/x
  3. Step 3: Cross multiply
    28,760,428.80x = 43,140,643.20 × 25,625,145.60
  4. Step 4: Simplify right side
    28,760,428.80x = 1,105,485,263,277,650
  5. Step 5: Solve for x
    x = 1,105,485,263,277,650/28,760,428.80
  6. Step 6: Final answer
    x = 38,437,718.40

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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.