Home / 20,146,508.10-30,219,762.15-17,028,720.90

Finding the Fourth Proportional to 20,146,508.10, 30,219,762.15 and 17,028,720.90

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Solution

The fourth proportional to 20,146,508.10, 30,219,762.15 and 17,028,720.90 is: 25,543,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146,508.10 : 30,219,762.15 = 17,028,720.90 : x
  2. Step 2: Convert to fraction form
    20,146,508.10/30,219,762.15 = 17,028,720.90/x
  3. Step 3: Cross multiply
    20,146,508.10x = 30,219,762.15 × 17,028,720.90
  4. Step 4: Simplify right side
    20,146,508.10x = 514,603,895,316,733.88
  5. Step 5: Solve for x
    x = 514,603,895,316,733.88/20,146,508.10
  6. Step 6: Final answer
    x = 25,543,081.35

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1.5x scale

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.