Home / 5,130,819.60-7,714,891.80-5,018,845.20

Finding the Fourth Proportional to 5,130,819.60, 7,714,891.80 and 5,018,845.20

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Solution

The fourth proportional to 5,130,819.60, 7,714,891.80 and 5,018,845.20 is: 7,546,522.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130,819.60 : 7,714,891.80 = 5,018,845.20 : x
  2. Step 2: Convert to fraction form
    5,130,819.60/7,714,891.80 = 5,018,845.20/x
  3. Step 3: Cross multiply
    5,130,819.60x = 7,714,891.80 × 5,018,845.20
  4. Step 4: Simplify right side
    5,130,819.60x = 38,719,847,678,949.36
  5. Step 5: Solve for x
    x = 38,719,847,678,949.36/5,130,819.60
  6. Step 6: Final answer
    x = 7,546,522.91

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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.