Home / 13,544,051.64-18,689,871.11-7,432,873.80

Finding the Fourth Proportional to 13,544,051.64, 18,689,871.11 and 7,432,873.80

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Solution

The fourth proportional to 13,544,051.64, 18,689,871.11 and 7,432,873.80 is: 10,256,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544,051.64 : 18,689,871.11 = 7,432,873.80 : x
  2. Step 2: Convert to fraction form
    13,544,051.64/18,689,871.11 = 7,432,873.80/x
  3. Step 3: Cross multiply
    13,544,051.64x = 18,689,871.11 × 7,432,873.80
  4. Step 4: Simplify right side
    13,544,051.64x = 138,919,453,298,895.91
  5. Step 5: Solve for x
    x = 138,919,453,298,895.91/13,544,051.64
  6. Step 6: Final answer
    x = 10,256,860.87

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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.