Home / 12,731,919.70-17,570,051.04-6,930,745.48

Finding the Fourth Proportional to 12,731,919.70, 17,570,051.04 and 6,930,745.48

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Solution

The fourth proportional to 12,731,919.70, 17,570,051.04 and 6,930,745.48 is: 9,564,429.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,919.70 : 17,570,051.04 = 6,930,745.48 : x
  2. Step 2: Convert to fraction form
    12,731,919.70/17,570,051.04 = 6,930,745.48/x
  3. Step 3: Cross multiply
    12,731,919.70x = 17,570,051.04 × 6,930,745.48
  4. Step 4: Simplify right side
    12,731,919.70x = 121,773,551,828,849.30
  5. Step 5: Solve for x
    x = 121,773,551,828,849.30/12,731,919.70
  6. Step 6: Final answer
    x = 9,564,429.77

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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.