Home / 13,679,249.04-18,877,919.40-7,567,572.24

Finding the Fourth Proportional to 13,679,249.04, 18,877,919.40 and 7,567,572.24

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Solution

The fourth proportional to 13,679,249.04, 18,877,919.40 and 7,567,572.24 is: 10,443,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,679,249.04 : 18,877,919.40 = 7,567,572.24 : x
  2. Step 2: Convert to fraction form
    13,679,249.04/18,877,919.40 = 7,567,572.24/x
  3. Step 3: Cross multiply
    13,679,249.04x = 18,877,919.40 × 7,567,572.24
  4. Step 4: Simplify right side
    13,679,249.04x = 142,860,018,800,397.44
  5. Step 5: Solve for x
    x = 142,860,018,800,397.44/13,679,249.04
  6. Step 6: Final answer
    x = 10,443,557.13

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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.