Home / 22,712,447.76-31,343,018.45-12,399,170.86

Finding the Fourth Proportional to 22,712,447.76, 31,343,018.45 and 12,399,170.86

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Solution

The fourth proportional to 22,712,447.76, 31,343,018.45 and 12,399,170.86 is: 17,110,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712,447.76 : 31,343,018.45 = 12,399,170.86 : x
  2. Step 2: Convert to fraction form
    22,712,447.76/31,343,018.45 = 12,399,170.86/x
  3. Step 3: Cross multiply
    22,712,447.76x = 31,343,018.45 × 12,399,170.86
  4. Step 4: Simplify right side
    22,712,447.76x = 388,627,441,029,682.31
  5. Step 5: Solve for x
    x = 388,627,441,029,682.31/22,712,447.76
  6. Step 6: Final answer
    x = 17,110,768.74

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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.