Home / 13,905,604.96-19,189,674-7,794,033.76

Finding the Fourth Proportional to 13,905,604.96, 19,189,674 and 7,794,033.76

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Solution

The fourth proportional to 13,905,604.96, 19,189,674 and 7,794,033.76 is: 10,755,732.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,905,604.96 : 19,189,674 = 7,794,033.76 : x
  2. Step 2: Convert to fraction form
    13,905,604.96/19,189,674 = 7,794,033.76/x
  3. Step 3: Cross multiply
    13,905,604.96x = 19,189,674 × 7,794,033.76
  4. Step 4: Simplify right side
    13,905,604.96x = 149,564,966,999,394.25
  5. Step 5: Solve for x
    x = 149,564,966,999,394.25/13,905,604.96
  6. Step 6: Final answer
    x = 10,755,732.49

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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.