Home / 22,478,031.68-31,019,683.34-12,164,754.78

Finding the Fourth Proportional to 22,478,031.68, 31,019,683.34 and 12,164,754.78

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Solution

The fourth proportional to 22,478,031.68, 31,019,683.34 and 12,164,754.78 is: 16,787,361.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,478,031.68 : 31,019,683.34 = 12,164,754.78 : x
  2. Step 2: Convert to fraction form
    22,478,031.68/31,019,683.34 = 12,164,754.78/x
  3. Step 3: Cross multiply
    22,478,031.68x = 31,019,683.34 × 12,164,754.78
  4. Step 4: Simplify right side
    22,478,031.68x = 377,346,841,184,351.31
  5. Step 5: Solve for x
    x = 377,346,841,184,351.31/22,478,031.68
  6. Step 6: Final answer
    x = 16,787,361.39

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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.