Home / 7,144,590.85-9,859,604.46-3,881,428.93

Finding the Fourth Proportional to 7,144,590.85, 9,859,604.46 and 3,881,428.93

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Solution

The fourth proportional to 7,144,590.85, 9,859,604.46 and 3,881,428.93 is: 5,356,409.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144,590.85 : 9,859,604.46 = 3,881,428.93 : x
  2. Step 2: Convert to fraction form
    7,144,590.85/9,859,604.46 = 3,881,428.93/x
  3. Step 3: Cross multiply
    7,144,590.85x = 9,859,604.46 × 3,881,428.93
  4. Step 4: Simplify right side
    7,144,590.85x = 38,269,353,989,401.03
  5. Step 5: Solve for x
    x = 38,269,353,989,401.03/7,144,590.85
  6. Step 6: Final answer
    x = 5,356,409.46

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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.