Home / 20,331,257.49-30,497,250.74-7,386,601.32

Finding the Fourth Proportional to 20,331,257.49, 30,497,250.74 and 7,386,601.32

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Solution

The fourth proportional to 20,331,257.49, 30,497,250.74 and 7,386,601.32 is: 11,080,034.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,331,257.49 : 30,497,250.74 = 7,386,601.32 : x
  2. Step 2: Convert to fraction form
    20,331,257.49/30,497,250.74 = 7,386,601.32/x
  3. Step 3: Cross multiply
    20,331,257.49x = 30,497,250.74 × 7,386,601.32
  4. Step 4: Simplify right side
    20,331,257.49x = 225,271,032,572,454.97
  5. Step 5: Solve for x
    x = 225,271,032,572,454.97/20,331,257.49
  6. Step 6: Final answer
    x = 11,080,034.41

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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.