Home / 15,184,496.39-20,954,547.18-8,215,152.19

Finding the Fourth Proportional to 15,184,496.39, 20,954,547.18 and 8,215,152.19

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Solution

The fourth proportional to 15,184,496.39, 20,954,547.18 and 8,215,152.19 is: 11,336,878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,184,496.39 : 20,954,547.18 = 8,215,152.19 : x
  2. Step 2: Convert to fraction form
    15,184,496.39/20,954,547.18 = 8,215,152.19/x
  3. Step 3: Cross multiply
    15,184,496.39x = 20,954,547.18 × 8,215,152.19
  4. Step 4: Simplify right side
    15,184,496.39x = 172,144,794,103,848.97
  5. Step 5: Solve for x
    x = 172,144,794,103,848.97/15,184,496.39
  6. Step 6: Final answer
    x = 11,336,878.73

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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.