Home / 7,227,518.87-10,819,978.28-6,330,712.18

Finding the Fourth Proportional to 7,227,518.87, 10,819,978.28 and 6,330,712.18

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Solution

The fourth proportional to 7,227,518.87, 10,819,978.28 and 6,330,712.18 is: 9,477,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227,518.87 : 10,819,978.28 = 6,330,712.18 : x
  2. Step 2: Convert to fraction form
    7,227,518.87/10,819,978.28 = 6,330,712.18/x
  3. Step 3: Cross multiply
    7,227,518.87x = 10,819,978.28 × 6,330,712.18
  4. Step 4: Simplify right side
    7,227,518.87x = 68,498,168,284,531.45
  5. Step 5: Solve for x
    x = 68,498,168,284,531.45/7,227,518.87
  6. Step 6: Final answer
    x = 9,477,411.20

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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.