Home / 18,345,750.84-25,317,419.40-10,086,171.12

Finding the Fourth Proportional to 18,345,750.84, 25,317,419.40 and 10,086,171.12

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Solution

The fourth proportional to 18,345,750.84, 25,317,419.40 and 10,086,171.12 is: 13,919,071.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345,750.84 : 25,317,419.40 = 10,086,171.12 : x
  2. Step 2: Convert to fraction form
    18,345,750.84/25,317,419.40 = 10,086,171.12/x
  3. Step 3: Cross multiply
    18,345,750.84x = 25,317,419.40 × 10,086,171.12
  4. Step 4: Simplify right side
    18,345,750.84x = 255,355,824,385,207.69
  5. Step 5: Solve for x
    x = 255,355,824,385,207.69/18,345,750.84
  6. Step 6: Final answer
    x = 13,919,071.87

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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.