Home / 20,830,052.90-31,245,079.35-7,366,880.90

Finding the Fourth Proportional to 20,830,052.90, 31,245,079.35 and 7,366,880.90

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Solution

The fourth proportional to 20,830,052.90, 31,245,079.35 and 7,366,880.90 is: 11,050,321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,830,052.90 : 31,245,079.35 = 7,366,880.90 : x
  2. Step 2: Convert to fraction form
    20,830,052.90/31,245,079.35 = 7,366,880.90/x
  3. Step 3: Cross multiply
    20,830,052.90x = 31,245,079.35 × 7,366,880.90
  4. Step 4: Simplify right side
    20,830,052.90x = 230,178,778,282,499.44
  5. Step 5: Solve for x
    x = 230,178,778,282,499.44/20,830,052.90
  6. Step 6: Final answer
    x = 11,050,321.35

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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.