Home / 8,714,970.40-13,061,396.40-7,763,879.20

Finding the Fourth Proportional to 8,714,970.40, 13,061,396.40 and 7,763,879.20

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Solution

The fourth proportional to 8,714,970.40, 13,061,396.40 and 7,763,879.20 is: 11,635,966.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714,970.40 : 13,061,396.40 = 7,763,879.20 : x
  2. Step 2: Convert to fraction form
    8,714,970.40/13,061,396.40 = 7,763,879.20/x
  3. Step 3: Cross multiply
    8,714,970.40x = 13,061,396.40 × 7,763,879.20
  4. Step 4: Simplify right side
    8,714,970.40x = 101,407,103,832,914.89
  5. Step 5: Solve for x
    x = 101,407,103,832,914.89/8,714,970.40
  6. Step 6: Final answer
    x = 11,635,966.52

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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.