Home / 28,444,460.50-42,672,072.64-9,018,579.30

Finding the Fourth Proportional to 28,444,460.50, 42,672,072.64 and 9,018,579.30

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Solution

The fourth proportional to 28,444,460.50, 42,672,072.64 and 9,018,579.30 is: 13,529,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444,460.50 : 42,672,072.64 = 9,018,579.30 : x
  2. Step 2: Convert to fraction form
    28,444,460.50/42,672,072.64 = 9,018,579.30/x
  3. Step 3: Cross multiply
    28,444,460.50x = 42,672,072.64 × 9,018,579.30
  4. Step 4: Simplify right side
    28,444,460.50x = 384,841,470,999,200.38
  5. Step 5: Solve for x
    x = 384,841,470,999,200.38/28,444,460.50
  6. Step 6: Final answer
    x = 13,529,575.33

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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.