Home / 6,468,752.40-9,703,128.60-4,453,213.20

Finding the Fourth Proportional to 6,468,752.40, 9,703,128.60 and 4,453,213.20

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Solution

The fourth proportional to 6,468,752.40, 9,703,128.60 and 4,453,213.20 is: 6,679,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,468,752.40 : 9,703,128.60 = 4,453,213.20 : x
  2. Step 2: Convert to fraction form
    6,468,752.40/9,703,128.60 = 4,453,213.20/x
  3. Step 3: Cross multiply
    6,468,752.40x = 9,703,128.60 × 4,453,213.20
  4. Step 4: Simplify right side
    6,468,752.40x = 43,210,100,362,817.52
  5. Step 5: Solve for x
    x = 43,210,100,362,817.52/6,468,752.40
  6. Step 6: Final answer
    x = 6,679,819.80

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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.