Home / 13,132,703.17-18,122,941.18-7,252,586.16

Finding the Fourth Proportional to 13,132,703.17, 18,122,941.18 and 7,252,586.16

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Solution

The fourth proportional to 13,132,703.17, 18,122,941.18 and 7,252,586.16 is: 10,008,464.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132,703.17 : 18,122,941.18 = 7,252,586.16 : x
  2. Step 2: Convert to fraction form
    13,132,703.17/18,122,941.18 = 7,252,586.16/x
  3. Step 3: Cross multiply
    13,132,703.17x = 18,122,941.18 × 7,252,586.16
  4. Step 4: Simplify right side
    13,132,703.17x = 131,438,192,380,562.06
  5. Step 5: Solve for x
    x = 131,438,192,380,562.06/13,132,703.17
  6. Step 6: Final answer
    x = 10,008,464.42

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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.