Home / 30,241,520.40-45,362,280.60-21,738,464.40

Finding the Fourth Proportional to 30,241,520.40, 45,362,280.60 and 21,738,464.40

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Solution

The fourth proportional to 30,241,520.40, 45,362,280.60 and 21,738,464.40 is: 32,607,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241,520.40 : 45,362,280.60 = 21,738,464.40 : x
  2. Step 2: Convert to fraction form
    30,241,520.40/45,362,280.60 = 21,738,464.40/x
  3. Step 3: Cross multiply
    30,241,520.40x = 45,362,280.60 × 21,738,464.40
  4. Step 4: Simplify right side
    30,241,520.40x = 986,106,321,925,910.62
  5. Step 5: Solve for x
    x = 986,106,321,925,910.62/30,241,520.40
  6. Step 6: Final answer
    x = 32,607,696.60

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1.5x scale

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.