Home / 22,429,270.48-30,952,420.80-12,115,993.72

Finding the Fourth Proportional to 22,429,270.48, 30,952,420.80 and 12,115,993.72

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Solution

The fourth proportional to 22,429,270.48, 30,952,420.80 and 12,115,993.72 is: 16,720,086.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,429,270.48 : 30,952,420.80 = 12,115,993.72 : x
  2. Step 2: Convert to fraction form
    22,429,270.48/30,952,420.80 = 12,115,993.72/x
  3. Step 3: Cross multiply
    22,429,270.48x = 30,952,420.80 × 12,115,993.72
  4. Step 4: Simplify right side
    22,429,270.48x = 375,019,336,031,597.38
  5. Step 5: Solve for x
    x = 375,019,336,031,597.38/22,429,270.48
  6. Step 6: Final answer
    x = 16,720,086.21

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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.