Home / 30,344,807.70-45,517,211.55-21,097,734.30

Finding the Fourth Proportional to 30,344,807.70, 45,517,211.55 and 21,097,734.30

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Solution

The fourth proportional to 30,344,807.70, 45,517,211.55 and 21,097,734.30 is: 31,646,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,344,807.70 : 45,517,211.55 = 21,097,734.30 : x
  2. Step 2: Convert to fraction form
    30,344,807.70/45,517,211.55 = 21,097,734.30/x
  3. Step 3: Cross multiply
    30,344,807.70x = 45,517,211.55 × 21,097,734.30
  4. Step 4: Simplify right side
    30,344,807.70x = 960,310,035,358,791.12
  5. Step 5: Solve for x
    x = 960,310,035,358,791.12/30,344,807.70
  6. Step 6: Final answer
    x = 31,646,601.45

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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.