Home / 20,040,079.60-30,036,499.80-14,985,485.20

Finding the Fourth Proportional to 20,040,079.60, 30,036,499.80 and 14,985,485.20

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Solution

The fourth proportional to 20,040,079.60, 30,036,499.80 and 14,985,485.20 is: 22,460,565.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040,079.60 : 30,036,499.80 = 14,985,485.20 : x
  2. Step 2: Convert to fraction form
    20,040,079.60/30,036,499.80 = 14,985,485.20/x
  3. Step 3: Cross multiply
    20,040,079.60x = 30,036,499.80 × 14,985,485.20
  4. Step 4: Simplify right side
    20,040,079.60x = 450,111,523,212,702.94
  5. Step 5: Solve for x
    x = 450,111,523,212,702.94/20,040,079.60
  6. Step 6: Final answer
    x = 22,460,565.64

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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.