Home / 7,448,631.20-11,172,946.80-4,047,408.80

Finding the Fourth Proportional to 7,448,631.20, 11,172,946.80 and 4,047,408.80

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Solution

The fourth proportional to 7,448,631.20, 11,172,946.80 and 4,047,408.80 is: 6,071,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448,631.20 : 11,172,946.80 = 4,047,408.80 : x
  2. Step 2: Convert to fraction form
    7,448,631.20/11,172,946.80 = 4,047,408.80/x
  3. Step 3: Cross multiply
    7,448,631.20x = 11,172,946.80 × 4,047,408.80
  4. Step 4: Simplify right side
    7,448,631.20x = 45,221,483,200,251.84
  5. Step 5: Solve for x
    x = 45,221,483,200,251.84/7,448,631.20
  6. Step 6: Final answer
    x = 6,071,113.20

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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.