Home / 13,765,508.31-18,998,779.32-7,967,487

Finding the Fourth Proportional to 13,765,508.31, 18,998,779.32 and 7,967,487

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Solution

The fourth proportional to 13,765,508.31, 18,998,779.32 and 7,967,487 is: 10,996,508.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765,508.31 : 18,998,779.32 = 7,967,487 : x
  2. Step 2: Convert to fraction form
    13,765,508.31/18,998,779.32 = 7,967,487/x
  3. Step 3: Cross multiply
    13,765,508.31x = 18,998,779.32 × 7,967,487
  4. Step 4: Simplify right side
    13,765,508.31x = 151,372,527,247,968.84
  5. Step 5: Solve for x
    x = 151,372,527,247,968.84/13,765,508.31
  6. Step 6: Final answer
    x = 10,996,508.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.