Home / 9,699,642.72-13,379,950.80-6,071,672.16

Finding the Fourth Proportional to 9,699,642.72, 13,379,950.80 and 6,071,672.16

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Solution

The fourth proportional to 9,699,642.72, 13,379,950.80 and 6,071,672.16 is: 8,375,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,699,642.72 : 13,379,950.80 = 6,071,672.16 : x
  2. Step 2: Convert to fraction form
    9,699,642.72/13,379,950.80 = 6,071,672.16/x
  3. Step 3: Cross multiply
    9,699,642.72x = 13,379,950.80 × 6,071,672.16
  4. Step 4: Simplify right side
    9,699,642.72x = 81,238,674,774,529.73
  5. Step 5: Solve for x
    x = 81,238,674,774,529.73/9,699,642.72
  6. Step 6: Final answer
    x = 8,375,429.60

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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.