Home / 30,945,427.29-42,705,713.51-17,007,276.43

Finding the Fourth Proportional to 30,945,427.29, 42,705,713.51 and 17,007,276.43

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Solution

The fourth proportional to 30,945,427.29, 42,705,713.51 and 17,007,276.43 is: 23,470,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945,427.29 : 42,705,713.51 = 17,007,276.43 : x
  2. Step 2: Convert to fraction form
    30,945,427.29/42,705,713.51 = 17,007,276.43/x
  3. Step 3: Cross multiply
    30,945,427.29x = 42,705,713.51 × 17,007,276.43
  4. Step 4: Simplify right side
    30,945,427.29x = 726,307,874,804,955.50
  5. Step 5: Solve for x
    x = 726,307,874,804,955.50/30,945,427.29
  6. Step 6: Final answer
    x = 23,470,604.17

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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.