Home / 22,712,445.35-31,343,015.13-12,399,168.44

Finding the Fourth Proportional to 22,712,445.35, 31,343,015.13 and 12,399,168.44

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Solution

The fourth proportional to 22,712,445.35, 31,343,015.13 and 12,399,168.44 is: 17,110,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712,445.35 : 31,343,015.13 = 12,399,168.44 : x
  2. Step 2: Convert to fraction form
    22,712,445.35/31,343,015.13 = 12,399,168.44/x
  3. Step 3: Cross multiply
    22,712,445.35x = 31,343,015.13 × 12,399,168.44
  4. Step 4: Simplify right side
    22,712,445.35x = 388,627,323,857,623.44
  5. Step 5: Solve for x
    x = 388,627,323,857,623.44/22,712,445.35
  6. Step 6: Final answer
    x = 17,110,765.40

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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.