Home / 12,681,883-19,011,626.94-9,703,363.96

Finding the Fourth Proportional to 12,681,883, 19,011,626.94 and 9,703,363.96

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Solution

The fourth proportional to 12,681,883, 19,011,626.94 and 9,703,363.96 is: 14,546,478.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,681,883 : 19,011,626.94 = 9,703,363.96 : x
  2. Step 2: Convert to fraction form
    12,681,883/19,011,626.94 = 9,703,363.96/x
  3. Step 3: Cross multiply
    12,681,883x = 19,011,626.94 × 9,703,363.96
  4. Step 4: Simplify right side
    12,681,883x = 184,476,735,670,561.12
  5. Step 5: Solve for x
    x = 184,476,735,670,561.12/12,681,883
  6. Step 6: Final answer
    x = 14,546,478.28

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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.