Home / 33,697,128.80-50,545,693.20-12,135,058.40

Finding the Fourth Proportional to 33,697,128.80, 50,545,693.20 and 12,135,058.40

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Solution

The fourth proportional to 33,697,128.80, 50,545,693.20 and 12,135,058.40 is: 18,202,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,697,128.80 : 50,545,693.20 = 12,135,058.40 : x
  2. Step 2: Convert to fraction form
    33,697,128.80/50,545,693.20 = 12,135,058.40/x
  3. Step 3: Cross multiply
    33,697,128.80x = 50,545,693.20 × 12,135,058.40
  4. Step 4: Simplify right side
    33,697,128.80x = 613,374,938,850,482.88
  5. Step 5: Solve for x
    x = 613,374,938,850,482.88/33,697,128.80
  6. Step 6: Final answer
    x = 18,202,587.60

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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.