Home / 7,155,790.22-9,874,983.03-3,892,597.16

Finding the Fourth Proportional to 7,155,790.22, 9,874,983.03 and 3,892,597.16

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Solution

The fourth proportional to 7,155,790.22, 9,874,983.03 and 3,892,597.16 is: 5,371,780.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155,790.22 : 9,874,983.03 = 3,892,597.16 : x
  2. Step 2: Convert to fraction form
    7,155,790.22/9,874,983.03 = 3,892,597.16/x
  3. Step 3: Cross multiply
    7,155,790.22x = 9,874,983.03 × 3,892,597.16
  4. Step 4: Simplify right side
    7,155,790.22x = 38,439,330,927,922.14
  5. Step 5: Solve for x
    x = 38,439,330,927,922.14/7,155,790.22
  6. Step 6: Final answer
    x = 5,371,780.02

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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.