Home / 20,040,063.60-30,036,475.80-14,985,469.20

Finding the Fourth Proportional to 20,040,063.60, 30,036,475.80 and 14,985,469.20

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Solution

The fourth proportional to 20,040,063.60, 30,036,475.80 and 14,985,469.20 is: 22,460,541.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040,063.60 : 30,036,475.80 = 14,985,469.20 : x
  2. Step 2: Convert to fraction form
    20,040,063.60/30,036,475.80 = 14,985,469.20/x
  3. Step 3: Cross multiply
    20,040,063.60x = 30,036,475.80 × 14,985,469.20
  4. Step 4: Simplify right side
    20,040,063.60x = 450,110,682,977,445.38
  5. Step 5: Solve for x
    x = 450,110,682,977,445.38/20,040,063.60
  6. Step 6: Final answer
    x = 22,460,541.64

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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.