Home / 13,789,647.96-19,028,305.93-8,490,501.40

Finding the Fourth Proportional to 13,789,647.96, 19,028,305.93 and 8,490,501.40

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Solution

The fourth proportional to 13,789,647.96, 19,028,305.93 and 8,490,501.40 is: 11,716,024.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789,647.96 : 19,028,305.93 = 8,490,501.40 : x
  2. Step 2: Convert to fraction form
    13,789,647.96/19,028,305.93 = 8,490,501.40/x
  3. Step 3: Cross multiply
    13,789,647.96x = 19,028,305.93 × 8,490,501.40
  4. Step 4: Simplify right side
    13,789,647.96x = 161,559,858,138,293.31
  5. Step 5: Solve for x
    x = 161,559,858,138,293.31/13,789,647.96
  6. Step 6: Final answer
    x = 11,716,024.85

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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.