Home / 30,586,960.85-45,905,537.10-30,347,812.40

Finding the Fourth Proportional to 30,586,960.85, 45,905,537.10 and 30,347,812.40

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Solution

The fourth proportional to 30,586,960.85, 45,905,537.10 and 30,347,812.40 is: 45,546,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,586,960.85 : 45,905,537.10 = 30,347,812.40 : x
  2. Step 2: Convert to fraction form
    30,586,960.85/45,905,537.10 = 30,347,812.40/x
  3. Step 3: Cross multiply
    30,586,960.85x = 45,905,537.10 × 30,347,812.40
  4. Step 4: Simplify right side
    30,586,960.85x = 1,393,132,628,032,040
  5. Step 5: Solve for x
    x = 1,393,132,628,032,040/30,586,960.85
  6. Step 6: Final answer
    x = 45,546,618.21

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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.