Home / 15,832,916.92-21,849,467.70-8,589,572.92

Finding the Fourth Proportional to 15,832,916.92, 21,849,467.70 and 8,589,572.92

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Solution

The fourth proportional to 15,832,916.92, 21,849,467.70 and 8,589,572.92 is: 11,853,633.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,832,916.92 : 21,849,467.70 = 8,589,572.92 : x
  2. Step 2: Convert to fraction form
    15,832,916.92/21,849,467.70 = 8,589,572.92/x
  3. Step 3: Cross multiply
    15,832,916.92x = 21,849,467.70 × 8,589,572.92
  4. Step 4: Simplify right side
    15,832,916.92x = 187,677,596,072,334.69
  5. Step 5: Solve for x
    x = 187,677,596,072,334.69/15,832,916.92
  6. Step 6: Final answer
    x = 11,853,633.61

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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.