Home / 20,437,616.79-30,606,625.14-13,516,879.89

Finding the Fourth Proportional to 20,437,616.79, 30,606,625.14 and 13,516,879.89

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Solution

The fourth proportional to 20,437,616.79, 30,606,625.14 and 13,516,879.89 is: 20,242,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437,616.79 : 30,606,625.14 = 13,516,879.89 : x
  2. Step 2: Convert to fraction form
    20,437,616.79/30,606,625.14 = 13,516,879.89/x
  3. Step 3: Cross multiply
    20,437,616.79x = 30,606,625.14 × 13,516,879.89
  4. Step 4: Simplify right side
    20,437,616.79x = 413,706,075,919,721
  5. Step 5: Solve for x
    x = 413,706,075,919,721/20,437,616.79
  6. Step 6: Final answer
    x = 20,242,383.45

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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.