Home / 13,561,266.42-18,714,748.95-7,366,433.94

Finding the Fourth Proportional to 13,561,266.42, 18,714,748.95 and 7,366,433.94

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Solution

The fourth proportional to 13,561,266.42, 18,714,748.95 and 7,366,433.94 is: 10,165,788.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,266.42 : 18,714,748.95 = 7,366,433.94 : x
  2. Step 2: Convert to fraction form
    13,561,266.42/18,714,748.95 = 7,366,433.94/x
  3. Step 3: Cross multiply
    13,561,266.42x = 18,714,748.95 × 7,366,433.94
  4. Step 4: Simplify right side
    13,561,266.42x = 137,860,961,843,859.36
  5. Step 5: Solve for x
    x = 137,860,961,843,859.36/13,561,266.42
  6. Step 6: Final answer
    x = 10,165,788.18

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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.