Home / 21,863,630.40-32,795,445.60-7,485,417.60

Finding the Fourth Proportional to 21,863,630.40, 32,795,445.60 and 7,485,417.60

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Solution

The fourth proportional to 21,863,630.40, 32,795,445.60 and 7,485,417.60 is: 11,228,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,863,630.40 : 32,795,445.60 = 7,485,417.60 : x
  2. Step 2: Convert to fraction form
    21,863,630.40/32,795,445.60 = 7,485,417.60/x
  3. Step 3: Cross multiply
    21,863,630.40x = 32,795,445.60 × 7,485,417.60
  4. Step 4: Simplify right side
    21,863,630.40x = 245,487,605,694,082.56
  5. Step 5: Solve for x
    x = 245,487,605,694,082.56/21,863,630.40
  6. Step 6: Final answer
    x = 11,228,126.40

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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.