Home / 30,015,791-45,012,657.40-10,314,330.36

Finding the Fourth Proportional to 30,015,791, 45,012,657.40 and 10,314,330.36

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Solution

The fourth proportional to 30,015,791, 45,012,657.40 and 10,314,330.36 is: 15,467,705.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,015,791 : 45,012,657.40 = 10,314,330.36 : x
  2. Step 2: Convert to fraction form
    30,015,791/45,012,657.40 = 10,314,330.36/x
  3. Step 3: Cross multiply
    30,015,791x = 45,012,657.40 × 10,314,330.36
  4. Step 4: Simplify right side
    30,015,791x = 464,275,418,805,098.62
  5. Step 5: Solve for x
    x = 464,275,418,805,098.62/30,015,791
  6. Step 6: Final answer
    x = 15,467,705.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.