Home / 19,681,012.94-27,165,199.89-11,423,735.45

Finding the Fourth Proportional to 19,681,012.94, 27,165,199.89 and 11,423,735.45

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Solution

The fourth proportional to 19,681,012.94, 27,165,199.89 and 11,423,735.45 is: 15,767,890.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,012.94 : 27,165,199.89 = 11,423,735.45 : x
  2. Step 2: Convert to fraction form
    19,681,012.94/27,165,199.89 = 11,423,735.45/x
  3. Step 3: Cross multiply
    19,681,012.94x = 27,165,199.89 × 11,423,735.45
  4. Step 4: Simplify right side
    19,681,012.94x = 310,328,056,989,729.06
  5. Step 5: Solve for x
    x = 310,328,056,989,729.06/19,681,012.94
  6. Step 6: Final answer
    x = 15,767,890.51

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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.