Home / 12,681,882-19,011,625.44-9,703,362.96

Finding the Fourth Proportional to 12,681,882, 19,011,625.44 and 9,703,362.96

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Solution

The fourth proportional to 12,681,882, 19,011,625.44 and 9,703,362.96 is: 14,546,476.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,681,882 : 19,011,625.44 = 9,703,362.96 : x
  2. Step 2: Convert to fraction form
    12,681,882/19,011,625.44 = 9,703,362.96/x
  3. Step 3: Cross multiply
    12,681,882x = 19,011,625.44 × 9,703,362.96
  4. Step 4: Simplify right side
    12,681,882x = 184,476,702,103,889.72
  5. Step 5: Solve for x
    x = 184,476,702,103,889.72/12,681,882
  6. Step 6: Final answer
    x = 14,546,476.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.