Home / 9,515,710.09-13,131,328.11-5,164,702.98

Finding the Fourth Proportional to 9,515,710.09, 13,131,328.11 and 5,164,702.98

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Solution

The fourth proportional to 9,515,710.09, 13,131,328.11 and 5,164,702.98 is: 7,127,099.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,710.09 : 13,131,328.11 = 5,164,702.98 : x
  2. Step 2: Convert to fraction form
    9,515,710.09/13,131,328.11 = 5,164,702.98/x
  3. Step 3: Cross multiply
    9,515,710.09x = 13,131,328.11 × 5,164,702.98
  4. Step 4: Simplify right side
    9,515,710.09x = 67,819,409,352,464.65
  5. Step 5: Solve for x
    x = 67,819,409,352,464.65/9,515,710.09
  6. Step 6: Final answer
    x = 7,127,099.16

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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.