Home / 18,389,038.40-27,595,999.20-8,286,459.20

Finding the Fourth Proportional to 18,389,038.40, 27,595,999.20 and 8,286,459.20

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Solution

The fourth proportional to 18,389,038.40, 27,595,999.20 and 8,286,459.20 is: 12,435,295.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389,038.40 : 27,595,999.20 = 8,286,459.20 : x
  2. Step 2: Convert to fraction form
    18,389,038.40/27,595,999.20 = 8,286,459.20/x
  3. Step 3: Cross multiply
    18,389,038.40x = 27,595,999.20 × 8,286,459.20
  4. Step 4: Simplify right side
    18,389,038.40x = 228,673,121,454,032.62
  5. Step 5: Solve for x
    x = 228,673,121,454,032.62/18,389,038.40
  6. Step 6: Final answer
    x = 12,435,295.23

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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.