Home / 17,118,141.30-23,609,260.69-15,048,732.20

Finding the Fourth Proportional to 17,118,141.30, 23,609,260.69 and 15,048,732.20

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Solution

The fourth proportional to 17,118,141.30, 23,609,260.69 and 15,048,732.20 is: 20,755,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,118,141.30 : 23,609,260.69 = 15,048,732.20 : x
  2. Step 2: Convert to fraction form
    17,118,141.30/23,609,260.69 = 15,048,732.20/x
  3. Step 3: Cross multiply
    17,118,141.30x = 23,609,260.69 × 15,048,732.20
  4. Step 4: Simplify right side
    17,118,141.30x = 355,289,441,408,129.06
  5. Step 5: Solve for x
    x = 355,289,441,408,129.06/17,118,141.30
  6. Step 6: Final answer
    x = 20,755,141.30

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1.5x scale

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.