Home / 30,925,927.40-46,388,891.10-15,777,890.60

Finding the Fourth Proportional to 30,925,927.40, 46,388,891.10 and 15,777,890.60

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Solution

The fourth proportional to 30,925,927.40, 46,388,891.10 and 15,777,890.60 is: 23,666,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,925,927.40 : 46,388,891.10 = 15,777,890.60 : x
  2. Step 2: Convert to fraction form
    30,925,927.40/46,388,891.10 = 15,777,890.60/x
  3. Step 3: Cross multiply
    30,925,927.40x = 46,388,891.10 × 15,777,890.60
  4. Step 4: Simplify right side
    30,925,927.40x = 731,918,848,831,113.62
  5. Step 5: Solve for x
    x = 731,918,848,831,113.62/30,925,927.40
  6. Step 6: Final answer
    x = 23,666,835.90

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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.