Home / 13,588,808.44-18,753,073.08-7,788,709.48

Finding the Fourth Proportional to 13,588,808.44, 18,753,073.08 and 7,788,709.48

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Solution

The fourth proportional to 13,588,808.44, 18,753,073.08 and 7,788,709.48 is: 10,748,715.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588,808.44 : 18,753,073.08 = 7,788,709.48 : x
  2. Step 2: Convert to fraction form
    13,588,808.44/18,753,073.08 = 7,788,709.48/x
  3. Step 3: Cross multiply
    13,588,808.44x = 18,753,073.08 × 7,788,709.48
  4. Step 4: Simplify right side
    13,588,808.44x = 146,062,238,077,328.78
  5. Step 5: Solve for x
    x = 146,062,238,077,328.78/13,588,808.44
  6. Step 6: Final answer
    x = 10,748,715.66

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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.