Home / 6,900,012.45-9,515,558.43-5,453,164.35

Finding the Fourth Proportional to 6,900,012.45, 9,515,558.43 and 5,453,164.35

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Solution

The fourth proportional to 6,900,012.45, 9,515,558.43 and 5,453,164.35 is: 7,520,262.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900,012.45 : 9,515,558.43 = 5,453,164.35 : x
  2. Step 2: Convert to fraction form
    6,900,012.45/9,515,558.43 = 5,453,164.35/x
  3. Step 3: Cross multiply
    6,900,012.45x = 9,515,558.43 × 5,453,164.35
  4. Step 4: Simplify right side
    6,900,012.45x = 51,889,904,000,817.97
  5. Step 5: Solve for x
    x = 51,889,904,000,817.97/6,900,012.45
  6. Step 6: Final answer
    x = 7,520,262.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.