Home / 15,014,433.11-20,718,939.48-8,397,875.10

Finding the Fourth Proportional to 15,014,433.11, 20,718,939.48 and 8,397,875.10

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Solution

The fourth proportional to 15,014,433.11, 20,718,939.48 and 8,397,875.10 is: 11,588,520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,014,433.11 : 20,718,939.48 = 8,397,875.10 : x
  2. Step 2: Convert to fraction form
    15,014,433.11/20,718,939.48 = 8,397,875.10/x
  3. Step 3: Cross multiply
    15,014,433.11x = 20,718,939.48 × 8,397,875.10
  4. Step 4: Simplify right side
    15,014,433.11x = 173,995,066,003,702.94
  5. Step 5: Solve for x
    x = 173,995,066,003,702.94/15,014,433.11
  6. Step 6: Final answer
    x = 11,588,520.51

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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.