Home / 18,764,302.80-28,113,276.60-16,640,936.40

Finding the Fourth Proportional to 18,764,302.80, 28,113,276.60 and 16,640,936.40

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Solution

The fourth proportional to 18,764,302.80, 28,113,276.60 and 16,640,936.40 is: 24,931,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,764,302.80 : 28,113,276.60 = 16,640,936.40 : x
  2. Step 2: Convert to fraction form
    18,764,302.80/28,113,276.60 = 16,640,936.40/x
  3. Step 3: Cross multiply
    18,764,302.80x = 28,113,276.60 × 16,640,936.40
  4. Step 4: Simplify right side
    18,764,302.80x = 467,831,247,896,208.25
  5. Step 5: Solve for x
    x = 467,831,247,896,208.25/18,764,302.80
  6. Step 6: Final answer
    x = 24,931,981.37

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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.