Home / 7,197,364.86-9,932,362.80-3,934,192.70

Finding the Fourth Proportional to 7,197,364.86, 9,932,362.80 and 3,934,192.70

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Solution

The fourth proportional to 7,197,364.86, 9,932,362.80 and 3,934,192.70 is: 5,429,185.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197,364.86 : 9,932,362.80 = 3,934,192.70 : x
  2. Step 2: Convert to fraction form
    7,197,364.86/9,932,362.80 = 3,934,192.70/x
  3. Step 3: Cross multiply
    7,197,364.86x = 9,932,362.80 × 3,934,192.70
  4. Step 4: Simplify right side
    7,197,364.86x = 39,075,829,221,511.56
  5. Step 5: Solve for x
    x = 39,075,829,221,511.56/7,197,364.86
  6. Step 6: Final answer
    x = 5,429,185.54

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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.