Home / 18,591,902.80-25,652,622.30-11,249,553.40

Finding the Fourth Proportional to 18,591,902.80, 25,652,622.30 and 11,249,553.40

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Solution

The fourth proportional to 18,591,902.80, 25,652,622.30 and 11,249,553.40 is: 15,521,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591,902.80 : 25,652,622.30 = 11,249,553.40 : x
  2. Step 2: Convert to fraction form
    18,591,902.80/25,652,622.30 = 11,249,553.40/x
  3. Step 3: Cross multiply
    18,591,902.80x = 25,652,622.30 × 11,249,553.40
  4. Step 4: Simplify right side
    18,591,902.80x = 288,580,544,413,880.81
  5. Step 5: Solve for x
    x = 288,580,544,413,880.81/18,591,902.80
  6. Step 6: Final answer
    x = 15,521,840.21

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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.