Home / 13,656,448.98-18,845,919.88-7,776,087.96

Finding the Fourth Proportional to 13,656,448.98, 18,845,919.88 and 7,776,087.96

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Solution

The fourth proportional to 13,656,448.98, 18,845,919.88 and 7,776,087.96 is: 10,731,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656,448.98 : 18,845,919.88 = 7,776,087.96 : x
  2. Step 2: Convert to fraction form
    13,656,448.98/18,845,919.88 = 7,776,087.96/x
  3. Step 3: Cross multiply
    13,656,448.98x = 18,845,919.88 × 7,776,087.96
  4. Step 4: Simplify right side
    13,656,448.98x = 146,547,530,673,992.62
  5. Step 5: Solve for x
    x = 146,547,530,673,992.62/13,656,448.98
  6. Step 6: Final answer
    x = 10,731,012.94

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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.