Home / 12,880,928.19-17,775,818.22-7,000,562.34

Finding the Fourth Proportional to 12,880,928.19, 17,775,818.22 and 7,000,562.34

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Solution

The fourth proportional to 12,880,928.19, 17,775,818.22 and 7,000,562.34 is: 9,660,850.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,880,928.19 : 17,775,818.22 = 7,000,562.34 : x
  2. Step 2: Convert to fraction form
    12,880,928.19/17,775,818.22 = 7,000,562.34/x
  3. Step 3: Cross multiply
    12,880,928.19x = 17,775,818.22 × 7,000,562.34
  4. Step 4: Simplify right side
    12,880,928.19x = 124,440,723,587,680.95
  5. Step 5: Solve for x
    x = 124,440,723,587,680.95/12,880,928.19
  6. Step 6: Final answer
    x = 9,660,850.66

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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.