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Finding the Fourth Proportional to 15,673,868.10, 23,510,802.15 and 12,445,364.03

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Solution

The fourth proportional to 15,673,868.10, 23,510,802.15 and 12,445,364.03 is: 18,668,046.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673,868.10 : 23,510,802.15 = 12,445,364.03 : x
  2. Step 2: Convert to fraction form
    15,673,868.10/23,510,802.15 = 12,445,364.03/x
  3. Step 3: Cross multiply
    15,673,868.10x = 23,510,802.15 × 12,445,364.03
  4. Step 4: Simplify right side
    15,673,868.10x = 292,600,491,276,502.62
  5. Step 5: Solve for x
    x = 292,600,491,276,502.62/15,673,868.10
  6. Step 6: Final answer
    x = 18,668,046.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.