Home / 10,980,483.20-16,470,724.80-8,146,131.20

Finding the Fourth Proportional to 10,980,483.20, 16,470,724.80 and 8,146,131.20

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Solution

The fourth proportional to 10,980,483.20, 16,470,724.80 and 8,146,131.20 is: 12,219,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980,483.20 : 16,470,724.80 = 8,146,131.20 : x
  2. Step 2: Convert to fraction form
    10,980,483.20/16,470,724.80 = 8,146,131.20/x
  3. Step 3: Cross multiply
    10,980,483.20x = 16,470,724.80 × 8,146,131.20
  4. Step 4: Simplify right side
    10,980,483.20x = 134,172,685,179,893.77
  5. Step 5: Solve for x
    x = 134,172,685,179,893.77/10,980,483.20
  6. Step 6: Final answer
    x = 12,219,196.80

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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.