Home / 18,519,200.79-25,551,880.16-10,681,110.35

Finding the Fourth Proportional to 18,519,200.79, 25,551,880.16 and 10,681,110.35

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Solution

The fourth proportional to 18,519,200.79, 25,551,880.16 and 10,681,110.35 is: 14,737,269.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519,200.79 : 25,551,880.16 = 10,681,110.35 : x
  2. Step 2: Convert to fraction form
    18,519,200.79/25,551,880.16 = 10,681,110.35/x
  3. Step 3: Cross multiply
    18,519,200.79x = 25,551,880.16 × 10,681,110.35
  4. Step 4: Simplify right side
    18,519,200.79x = 272,922,451,457,770.72
  5. Step 5: Solve for x
    x = 272,922,451,457,770.72/18,519,200.79
  6. Step 6: Final answer
    x = 14,737,269.42

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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.