Home / 22,009,746.20-30,374,398.38-12,220,190.84

Finding the Fourth Proportional to 22,009,746.20, 30,374,398.38 and 12,220,190.84

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Solution

The fourth proportional to 22,009,746.20, 30,374,398.38 and 12,220,190.84 is: 16,864,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009,746.20 : 30,374,398.38 = 12,220,190.84 : x
  2. Step 2: Convert to fraction form
    22,009,746.20/30,374,398.38 = 12,220,190.84/x
  3. Step 3: Cross multiply
    22,009,746.20x = 30,374,398.38 × 12,220,190.84
  4. Step 4: Simplify right side
    22,009,746.20x = 371,180,944,853,786.81
  5. Step 5: Solve for x
    x = 371,180,944,853,786.81/22,009,746.20
  6. Step 6: Final answer
    x = 16,864,390.05

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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.