Home / 15,384,490.40-23,078,809.20-5,290,205.60

Finding the Fourth Proportional to 15,384,490.40, 23,078,809.20 and 5,290,205.60

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Solution

The fourth proportional to 15,384,490.40, 23,078,809.20 and 5,290,205.60 is: 7,936,021.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,384,490.40 : 23,078,809.20 = 5,290,205.60 : x
  2. Step 2: Convert to fraction form
    15,384,490.40/23,078,809.20 = 5,290,205.60/x
  3. Step 3: Cross multiply
    15,384,490.40x = 23,078,809.20 × 5,290,205.60
  4. Step 4: Simplify right side
    15,384,490.40x = 122,091,645,671,171.50
  5. Step 5: Solve for x
    x = 122,091,645,671,171.50/15,384,490.40
  6. Step 6: Final answer
    x = 7,936,021.44

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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.