Home / 22,478,022.83-31,019,671.13-12,164,745.92

Finding the Fourth Proportional to 22,478,022.83, 31,019,671.13 and 12,164,745.92

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Solution

The fourth proportional to 22,478,022.83, 31,019,671.13 and 12,164,745.92 is: 16,787,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,478,022.83 : 31,019,671.13 = 12,164,745.92 : x
  2. Step 2: Convert to fraction form
    22,478,022.83/31,019,671.13 = 12,164,745.92/x
  3. Step 3: Cross multiply
    22,478,022.83x = 31,019,671.13 × 12,164,745.92
  4. Step 4: Simplify right side
    22,478,022.83x = 377,346,417,818,409.25
  5. Step 5: Solve for x
    x = 377,346,417,818,409.25/22,478,022.83
  6. Step 6: Final answer
    x = 16,787,349.17

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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.