Home / 14,001,786.40-20,960,689.20-8,319,085.60

Finding the Fourth Proportional to 14,001,786.40, 20,960,689.20 and 8,319,085.60

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Solution

The fourth proportional to 14,001,786.40, 20,960,689.20 and 8,319,085.60 is: 12,453,680.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001,786.40 : 20,960,689.20 = 8,319,085.60 : x
  2. Step 2: Convert to fraction form
    14,001,786.40/20,960,689.20 = 8,319,085.60/x
  3. Step 3: Cross multiply
    14,001,786.40x = 20,960,689.20 × 8,319,085.60
  4. Step 4: Simplify right side
    14,001,786.40x = 174,373,767,689,795.50
  5. Step 5: Solve for x
    x = 174,373,767,689,795.50/14,001,786.40
  6. Step 6: Final answer
    x = 12,453,680.03

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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.