Home / 20,613,401.94-30,920,085.32-5,260,690.39

Finding the Fourth Proportional to 20,613,401.94, 30,920,085.32 and 5,260,690.39

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Solution

The fourth proportional to 20,613,401.94, 30,920,085.32 and 5,260,690.39 is: 7,891,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,613,401.94 : 30,920,085.32 = 5,260,690.39 : x
  2. Step 2: Convert to fraction form
    20,613,401.94/30,920,085.32 = 5,260,690.39/x
  3. Step 3: Cross multiply
    20,613,401.94x = 30,920,085.32 × 5,260,690.39
  4. Step 4: Simplify right side
    20,613,401.94x = 162,660,995,700,904.06
  5. Step 5: Solve for x
    x = 162,660,995,700,904.06/20,613,401.94
  6. Step 6: Final answer
    x = 7,891,031.10

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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.