Home / 28,979,762.40-43,469,643.60-26,790,040.80

Finding the Fourth Proportional to 28,979,762.40, 43,469,643.60 and 26,790,040.80

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Solution

The fourth proportional to 28,979,762.40, 43,469,643.60 and 26,790,040.80 is: 40,185,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979,762.40 : 43,469,643.60 = 26,790,040.80 : x
  2. Step 2: Convert to fraction form
    28,979,762.40/43,469,643.60 = 26,790,040.80/x
  3. Step 3: Cross multiply
    28,979,762.40x = 43,469,643.60 × 26,790,040.80
  4. Step 4: Simplify right side
    28,979,762.40x = 1,164,553,525,605,459
  5. Step 5: Solve for x
    x = 1,164,553,525,605,459/28,979,762.40
  6. Step 6: Final answer
    x = 40,185,061.20

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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.