Home / 30,809,486.45-42,518,419.61-17,058,450.57

Finding the Fourth Proportional to 30,809,486.45, 42,518,419.61 and 17,058,450.57

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Solution

The fourth proportional to 30,809,486.45, 42,518,419.61 and 17,058,450.57 is: 23,541,397.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,809,486.45 : 42,518,419.61 = 17,058,450.57 : x
  2. Step 2: Convert to fraction form
    30,809,486.45/42,518,419.61 = 17,058,450.57/x
  3. Step 3: Cross multiply
    30,809,486.45x = 42,518,419.61 × 17,058,450.57
  4. Step 4: Simplify right side
    30,809,486.45x = 725,298,359,146,411.38
  5. Step 5: Solve for x
    x = 725,298,359,146,411.38/30,809,486.45
  6. Step 6: Final answer
    x = 23,541,397.24

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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.