Home / 15,114,068.77-20,856,627.91-8,586,792.31

Finding the Fourth Proportional to 15,114,068.77, 20,856,627.91 and 8,586,792.31

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Solution

The fourth proportional to 15,114,068.77, 20,856,627.91 and 8,586,792.31 is: 11,849,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,114,068.77 : 20,856,627.91 = 8,586,792.31 : x
  2. Step 2: Convert to fraction form
    15,114,068.77/20,856,627.91 = 8,586,792.31/x
  3. Step 3: Cross multiply
    15,114,068.77x = 20,856,627.91 × 8,586,792.31
  4. Step 4: Simplify right side
    15,114,068.77x = 179,091,532,150,119.38
  5. Step 5: Solve for x
    x = 179,091,532,150,119.38/15,114,068.77
  6. Step 6: Final answer
    x = 11,849,326.27

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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.