Home / 22,186,855.08-30,619,042.74-12,397,536.90

Finding the Fourth Proportional to 22,186,855.08, 30,619,042.74 and 12,397,536.90

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Solution

The fourth proportional to 22,186,855.08, 30,619,042.74 and 12,397,536.90 is: 17,109,261.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,186,855.08 : 30,619,042.74 = 12,397,536.90 : x
  2. Step 2: Convert to fraction form
    22,186,855.08/30,619,042.74 = 12,397,536.90/x
  3. Step 3: Cross multiply
    22,186,855.08x = 30,619,042.74 × 12,397,536.90
  4. Step 4: Simplify right side
    22,186,855.08x = 379,600,712,211,827.12
  5. Step 5: Solve for x
    x = 379,600,712,211,827.12/22,186,855.08
  6. Step 6: Final answer
    x = 17,109,261.81

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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.