Home / 7,360,990.36-11,010,730.95-5,172,406.67

Finding the Fourth Proportional to 7,360,990.36, 11,010,730.95 and 5,172,406.67

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Solution

The fourth proportional to 7,360,990.36, 11,010,730.95 and 5,172,406.67 is: 7,736,999.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360,990.36 : 11,010,730.95 = 5,172,406.67 : x
  2. Step 2: Convert to fraction form
    7,360,990.36/11,010,730.95 = 5,172,406.67/x
  3. Step 3: Cross multiply
    7,360,990.36x = 11,010,730.95 × 5,172,406.67
  4. Step 4: Simplify right side
    7,360,990.36x = 56,951,978,207,355.43
  5. Step 5: Solve for x
    x = 56,951,978,207,355.43/7,360,990.36
  6. Step 6: Final answer
    x = 7,736,999.43

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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.