Home / 10,647,304.80-15,977,518.20-4,256,890.80

Finding the Fourth Proportional to 10,647,304.80, 15,977,518.20 and 4,256,890.80

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Solution

The fourth proportional to 10,647,304.80, 15,977,518.20 and 4,256,890.80 is: 6,387,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,304.80 : 15,977,518.20 = 4,256,890.80 : x
  2. Step 2: Convert to fraction form
    10,647,304.80/15,977,518.20 = 4,256,890.80/x
  3. Step 3: Cross multiply
    10,647,304.80x = 15,977,518.20 × 4,256,890.80
  4. Step 4: Simplify right side
    10,647,304.80x = 68,014,550,232,412.55
  5. Step 5: Solve for x
    x = 68,014,550,232,412.55/10,647,304.80
  6. Step 6: Final answer
    x = 6,387,959.35

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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.