Home / 10,372,215.80-15,558,323.70-4,387,806.20

Finding the Fourth Proportional to 10,372,215.80, 15,558,323.70 and 4,387,806.20

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Solution

The fourth proportional to 10,372,215.80, 15,558,323.70 and 4,387,806.20 is: 6,581,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372,215.80 : 15,558,323.70 = 4,387,806.20 : x
  2. Step 2: Convert to fraction form
    10,372,215.80/15,558,323.70 = 4,387,806.20/x
  3. Step 3: Cross multiply
    10,372,215.80x = 15,558,323.70 × 4,387,806.20
  4. Step 4: Simplify right side
    10,372,215.80x = 68,266,909,192,466.94
  5. Step 5: Solve for x
    x = 68,266,909,192,466.94/10,372,215.80
  6. Step 6: Final answer
    x = 6,581,709.30

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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.