Home / 18,580,800.60-27,871,200.90-12,123,792.45

Finding the Fourth Proportional to 18,580,800.60, 27,871,200.90 and 12,123,792.45

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Solution

The fourth proportional to 18,580,800.60, 27,871,200.90 and 12,123,792.45 is: 18,185,688.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580,800.60 : 27,871,200.90 = 12,123,792.45 : x
  2. Step 2: Convert to fraction form
    18,580,800.60/27,871,200.90 = 12,123,792.45/x
  3. Step 3: Cross multiply
    18,580,800.60x = 27,871,200.90 × 12,123,792.45
  4. Step 4: Simplify right side
    18,580,800.60x = 337,904,655,043,853.19
  5. Step 5: Solve for x
    x = 337,904,655,043,853.19/18,580,800.60
  6. Step 6: Final answer
    x = 18,185,688.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.