Home / 21,457,624.22-29,612,082.63-11,668,640.93

Finding the Fourth Proportional to 21,457,624.22, 29,612,082.63 and 11,668,640.93

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Solution

The fourth proportional to 21,457,624.22, 29,612,082.63 and 11,668,640.93 is: 16,103,029.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,457,624.22 : 29,612,082.63 = 11,668,640.93 : x
  2. Step 2: Convert to fraction form
    21,457,624.22/29,612,082.63 = 11,668,640.93/x
  3. Step 3: Cross multiply
    21,457,624.22x = 29,612,082.63 × 11,668,640.93
  4. Step 4: Simplify right side
    21,457,624.22x = 345,532,759,405,702.38
  5. Step 5: Solve for x
    x = 345,532,759,405,702.38/21,457,624.22
  6. Step 6: Final answer
    x = 16,103,029.66

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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.