Home / 13,512,196.85-18,646,849.64-7,317,254.26

Finding the Fourth Proportional to 13,512,196.85, 18,646,849.64 and 7,317,254.26

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Solution

The fourth proportional to 13,512,196.85, 18,646,849.64 and 7,317,254.26 is: 10,097,820.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512,196.85 : 18,646,849.64 = 7,317,254.26 : x
  2. Step 2: Convert to fraction form
    13,512,196.85/18,646,849.64 = 7,317,254.26/x
  3. Step 3: Cross multiply
    13,512,196.85x = 18,646,849.64 × 7,317,254.26
  4. Step 4: Simplify right side
    13,512,196.85x = 136,443,739,963,869.47
  5. Step 5: Solve for x
    x = 136,443,739,963,869.47/13,512,196.85
  6. Step 6: Final answer
    x = 10,097,820.62

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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.