Home / 13,811,881.40-19,064,072.39-8,158,926.98

Finding the Fourth Proportional to 13,811,881.40, 19,064,072.39 and 8,158,926.98

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Solution

The fourth proportional to 13,811,881.40, 19,064,072.39 and 8,158,926.98 is: 11,261,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811,881.40 : 19,064,072.39 = 8,158,926.98 : x
  2. Step 2: Convert to fraction form
    13,811,881.40/19,064,072.39 = 8,158,926.98/x
  3. Step 3: Cross multiply
    13,811,881.40x = 19,064,072.39 × 8,158,926.98
  4. Step 4: Simplify right side
    13,811,881.40x = 155,542,374,639,501.56
  5. Step 5: Solve for x
    x = 155,542,374,639,501.56/13,811,881.40
  6. Step 6: Final answer
    x = 11,261,490.76

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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.