Home / 21,372,542.40-32,058,813.60-8,586,465.60

Finding the Fourth Proportional to 21,372,542.40, 32,058,813.60 and 8,586,465.60

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Solution

The fourth proportional to 21,372,542.40, 32,058,813.60 and 8,586,465.60 is: 12,879,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,372,542.40 : 32,058,813.60 = 8,586,465.60 : x
  2. Step 2: Convert to fraction form
    21,372,542.40/32,058,813.60 = 8,586,465.60/x
  3. Step 3: Cross multiply
    21,372,542.40x = 32,058,813.60 × 8,586,465.60
  4. Step 4: Simplify right side
    21,372,542.40x = 275,271,900,153,212.16
  5. Step 5: Solve for x
    x = 275,271,900,153,212.16/21,372,542.40
  6. Step 6: Final answer
    x = 12,879,698.40

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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.