Home / 11,028,977.10-16,543,465.65-8,478,060.30

Finding the Fourth Proportional to 11,028,977.10, 16,543,465.65 and 8,478,060.30

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Solution

The fourth proportional to 11,028,977.10, 16,543,465.65 and 8,478,060.30 is: 12,717,090.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028,977.10 : 16,543,465.65 = 8,478,060.30 : x
  2. Step 2: Convert to fraction form
    11,028,977.10/16,543,465.65 = 8,478,060.30/x
  3. Step 3: Cross multiply
    11,028,977.10x = 16,543,465.65 × 8,478,060.30
  4. Step 4: Simplify right side
    11,028,977.10x = 140,256,499,351,678.70
  5. Step 5: Solve for x
    x = 140,256,499,351,678.70/11,028,977.10
  6. Step 6: Final answer
    x = 12,717,090.45

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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.