Home / 21,831,168.25-30,126,484.41-12,041,402.19

Finding the Fourth Proportional to 21,831,168.25, 30,126,484.41 and 12,041,402.19

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Solution

The fourth proportional to 21,831,168.25, 30,126,484.41 and 12,041,402.19 is: 16,616,843.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,831,168.25 : 30,126,484.41 = 12,041,402.19 : x
  2. Step 2: Convert to fraction form
    21,831,168.25/30,126,484.41 = 12,041,402.19/x
  3. Step 3: Cross multiply
    21,831,168.25x = 30,126,484.41 × 12,041,402.19
  4. Step 4: Simplify right side
    21,831,168.25x = 362,765,115,381,678.38
  5. Step 5: Solve for x
    x = 362,765,115,381,678.38/21,831,168.25
  6. Step 6: Final answer
    x = 16,616,843.92

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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.