Home / 14,055,428.92-19,396,355.24-7,860,405.20

Finding the Fourth Proportional to 14,055,428.92, 19,396,355.24 and 7,860,405.20

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Solution

The fourth proportional to 14,055,428.92, 19,396,355.24 and 7,860,405.20 is: 10,847,282.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055,428.92 : 19,396,355.24 = 7,860,405.20 : x
  2. Step 2: Convert to fraction form
    14,055,428.92/19,396,355.24 = 7,860,405.20/x
  3. Step 3: Cross multiply
    14,055,428.92x = 19,396,355.24 × 7,860,405.20
  4. Step 4: Simplify right side
    14,055,428.92x = 152,463,211,589,543.25
  5. Step 5: Solve for x
    x = 152,463,211,589,543.25/14,055,428.92
  6. Step 6: Final answer
    x = 10,847,282.74

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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.