Home / 13,455,700.20-20,169,772.20-6,621,762.60

Finding the Fourth Proportional to 13,455,700.20, 20,169,772.20 and 6,621,762.60

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Solution

The fourth proportional to 13,455,700.20, 20,169,772.20 and 6,621,762.60 is: 9,925,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455,700.20 : 20,169,772.20 = 6,621,762.60 : x
  2. Step 2: Convert to fraction form
    13,455,700.20/20,169,772.20 = 6,621,762.60/x
  3. Step 3: Cross multiply
    13,455,700.20x = 20,169,772.20 × 6,621,762.60
  4. Step 4: Simplify right side
    13,455,700.20x = 133,559,443,204,479.70
  5. Step 5: Solve for x
    x = 133,559,443,204,479.70/13,455,700.20
  6. Step 6: Final answer
    x = 9,925,863.48

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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.