Home / 7,191,876.52-9,925,091.22-4,136,093.08

Finding the Fourth Proportional to 7,191,876.52, 9,925,091.22 and 4,136,093.08

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Solution

The fourth proportional to 7,191,876.52, 9,925,091.22 and 4,136,093.08 is: 5,707,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191,876.52 : 9,925,091.22 = 4,136,093.08 : x
  2. Step 2: Convert to fraction form
    7,191,876.52/9,925,091.22 = 4,136,093.08/x
  3. Step 3: Cross multiply
    7,191,876.52x = 9,925,091.22 × 4,136,093.08
  4. Step 4: Simplify right side
    7,191,876.52x = 41,051,101,113,410.76
  5. Step 5: Solve for x
    x = 41,051,101,113,410.76/7,191,876.52
  6. Step 6: Final answer
    x = 5,707,981.92

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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.