Home / 18,336,220.12-25,298,465.57-10,991,373.35

Finding the Fourth Proportional to 18,336,220.12, 25,298,465.57 and 10,991,373.35

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Solution

The fourth proportional to 18,336,220.12, 25,298,465.57 and 10,991,373.35 is: 15,164,787.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336,220.12 : 25,298,465.57 = 10,991,373.35 : x
  2. Step 2: Convert to fraction form
    18,336,220.12/25,298,465.57 = 10,991,373.35/x
  3. Step 3: Cross multiply
    18,336,220.12x = 25,298,465.57 × 10,991,373.35
  4. Step 4: Simplify right side
    18,336,220.12x = 278,064,880,121,759.06
  5. Step 5: Solve for x
    x = 278,064,880,121,759.06/18,336,220.12
  6. Step 6: Final answer
    x = 15,164,787.42

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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.