Home / 9,191,530.95-13,789,123.26-3,124,633.78

Finding the Fourth Proportional to 9,191,530.95, 13,789,123.26 and 3,124,633.78

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Solution

The fourth proportional to 9,191,530.95, 13,789,123.26 and 3,124,633.78 is: 4,687,571.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191,530.95 : 13,789,123.26 = 3,124,633.78 : x
  2. Step 2: Convert to fraction form
    9,191,530.95/13,789,123.26 = 3,124,633.78/x
  3. Step 3: Cross multiply
    9,191,530.95x = 13,789,123.26 × 3,124,633.78
  4. Step 4: Simplify right side
    9,191,530.95x = 43,085,960,334,779.72
  5. Step 5: Solve for x
    x = 43,085,960,334,779.72/9,191,530.95
  6. Step 6: Final answer
    x = 4,687,571.70

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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.