Home / 11,688,440.40-17,532,660.60-5,311,148.40

Finding the Fourth Proportional to 11,688,440.40, 17,532,660.60 and 5,311,148.40

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Solution

The fourth proportional to 11,688,440.40, 17,532,660.60 and 5,311,148.40 is: 7,966,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688,440.40 : 17,532,660.60 = 5,311,148.40 : x
  2. Step 2: Convert to fraction form
    11,688,440.40/17,532,660.60 = 5,311,148.40/x
  3. Step 3: Cross multiply
    11,688,440.40x = 17,532,660.60 × 5,311,148.40
  4. Step 4: Simplify right side
    11,688,440.40x = 93,118,562,293,433.05
  5. Step 5: Solve for x
    x = 93,118,562,293,433.05/11,688,440.40
  6. Step 6: Final answer
    x = 7,966,722.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.