Home / 7,145,119.24-9,860,211.70-3,881,960.80

Finding the Fourth Proportional to 7,145,119.24, 9,860,211.70 and 3,881,960.80

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Solution

The fourth proportional to 7,145,119.24, 9,860,211.70 and 3,881,960.80 is: 5,357,077.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,119.24 : 9,860,211.70 = 3,881,960.80 : x
  2. Step 2: Convert to fraction form
    7,145,119.24/9,860,211.70 = 3,881,960.80/x
  3. Step 3: Cross multiply
    7,145,119.24x = 9,860,211.70 × 3,881,960.80
  4. Step 4: Simplify right side
    7,145,119.24x = 38,276,955,299,101.35
  5. Step 5: Solve for x
    x = 38,276,955,299,101.35/7,145,119.24
  6. Step 6: Final answer
    x = 5,357,077.19

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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.