Home / 7,144,589.85-9,859,603.08-3,881,427.93

Finding the Fourth Proportional to 7,144,589.85, 9,859,603.08 and 3,881,427.93

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Solution

The fourth proportional to 7,144,589.85, 9,859,603.08 and 3,881,427.93 is: 5,356,408.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144,589.85 : 9,859,603.08 = 3,881,427.93 : x
  2. Step 2: Convert to fraction form
    7,144,589.85/9,859,603.08 = 3,881,427.93/x
  3. Step 3: Cross multiply
    7,144,589.85x = 9,859,603.08 × 3,881,427.93
  4. Step 4: Simplify right side
    7,144,589.85x = 38,269,338,787,981.38
  5. Step 5: Solve for x
    x = 38,269,338,787,981.38/7,144,589.85
  6. Step 6: Final answer
    x = 5,356,408.08

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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.