Home / 14,281,858.82-19,709,125.54-7,755,565.70

Finding the Fourth Proportional to 14,281,858.82, 19,709,125.54 and 7,755,565.70

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Solution

The fourth proportional to 14,281,858.82, 19,709,125.54 and 7,755,565.70 is: 10,702,767.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281,858.82 : 19,709,125.54 = 7,755,565.70 : x
  2. Step 2: Convert to fraction form
    14,281,858.82/19,709,125.54 = 7,755,565.70/x
  3. Step 3: Cross multiply
    14,281,858.82x = 19,709,125.54 × 7,755,565.70
  4. Step 4: Simplify right side
    14,281,858.82x = 152,855,418,015,017.97
  5. Step 5: Solve for x
    x = 152,855,418,015,017.97/14,281,858.82
  6. Step 6: Final answer
    x = 10,702,767.75

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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.