Home / 13,789,647.23-19,028,304.92-8,490,500.66

Finding the Fourth Proportional to 13,789,647.23, 19,028,304.92 and 8,490,500.66

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Solution

The fourth proportional to 13,789,647.23, 19,028,304.92 and 8,490,500.66 is: 11,716,023.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789,647.23 : 19,028,304.92 = 8,490,500.66 : x
  2. Step 2: Convert to fraction form
    13,789,647.23/19,028,304.92 = 8,490,500.66/x
  3. Step 3: Cross multiply
    13,789,647.23x = 19,028,304.92 × 8,490,500.66
  4. Step 4: Simplify right side
    13,789,647.23x = 161,559,835,344,347.19
  5. Step 5: Solve for x
    x = 161,559,835,344,347.19/13,789,647.23
  6. Step 6: Final answer
    x = 11,716,023.82

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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.