Home / 13,865,131.56-19,127,433.96-8,971,935.12

Finding the Fourth Proportional to 13,865,131.56, 19,127,433.96 and 8,971,935.12

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Solution

The fourth proportional to 13,865,131.56, 19,127,433.96 and 8,971,935.12 is: 12,377,098.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865,131.56 : 19,127,433.96 = 8,971,935.12 : x
  2. Step 2: Convert to fraction form
    13,865,131.56/19,127,433.96 = 8,971,935.12/x
  3. Step 3: Cross multiply
    13,865,131.56x = 19,127,433.96 × 8,971,935.12
  4. Step 4: Simplify right side
    13,865,131.56x = 171,610,096,501,204.66
  5. Step 5: Solve for x
    x = 171,610,096,501,204.66/13,865,131.56
  6. Step 6: Final answer
    x = 12,377,098.32

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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.