Home / 12,261,937.14-16,920,202.86-7,551,587.34

Finding the Fourth Proportional to 12,261,937.14, 16,920,202.86 and 7,551,587.34

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Solution

The fourth proportional to 12,261,937.14, 16,920,202.86 and 7,551,587.34 is: 10,420,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261,937.14 : 16,920,202.86 = 7,551,587.34 : x
  2. Step 2: Convert to fraction form
    12,261,937.14/16,920,202.86 = 7,551,587.34/x
  3. Step 3: Cross multiply
    12,261,937.14x = 16,920,202.86 × 7,551,587.34
  4. Step 4: Simplify right side
    12,261,937.14x = 127,774,389,707,807.78
  5. Step 5: Solve for x
    x = 127,774,389,707,807.78/12,261,937.14
  6. Step 6: Final answer
    x = 10,420,408.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.