Home / 7,118,246.40-9,823,180.80-3,898,982.40

Finding the Fourth Proportional to 7,118,246.40, 9,823,180.80 and 3,898,982.40

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Solution

The fourth proportional to 7,118,246.40, 9,823,180.80 and 3,898,982.40 is: 5,380,596.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,246.40 : 9,823,180.80 = 3,898,982.40 : x
  2. Step 2: Convert to fraction form
    7,118,246.40/9,823,180.80 = 3,898,982.40/x
  3. Step 3: Cross multiply
    7,118,246.40x = 9,823,180.80 × 3,898,982.40
  4. Step 4: Simplify right side
    7,118,246.40x = 38,300,409,051,217.92
  5. Step 5: Solve for x
    x = 38,300,409,051,217.92/7,118,246.40
  6. Step 6: Final answer
    x = 5,380,596.13

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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.