Home / 12,622,073.40-17,419,995.47-7,116,508.67

Finding the Fourth Proportional to 12,622,073.40, 17,419,995.47 and 7,116,508.67

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Solution

The fourth proportional to 12,622,073.40, 17,419,995.47 and 7,116,508.67 is: 9,821,646.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622,073.40 : 17,419,995.47 = 7,116,508.67 : x
  2. Step 2: Convert to fraction form
    12,622,073.40/17,419,995.47 = 7,116,508.67/x
  3. Step 3: Cross multiply
    12,622,073.40x = 17,419,995.47 × 7,116,508.67
  4. Step 4: Simplify right side
    12,622,073.40x = 123,969,548,724,307.02
  5. Step 5: Solve for x
    x = 123,969,548,724,307.02/12,622,073.40
  6. Step 6: Final answer
    x = 9,821,646.95

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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.