Home / 7,381,139.30-11,071,708.95-3,602,003.30

Finding the Fourth Proportional to 7,381,139.30, 11,071,708.95 and 3,602,003.30

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Solution

The fourth proportional to 7,381,139.30, 11,071,708.95 and 3,602,003.30 is: 5,403,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,139.30 : 11,071,708.95 = 3,602,003.30 : x
  2. Step 2: Convert to fraction form
    7,381,139.30/11,071,708.95 = 3,602,003.30/x
  3. Step 3: Cross multiply
    7,381,139.30x = 11,071,708.95 × 3,602,003.30
  4. Step 4: Simplify right side
    7,381,139.30x = 39,880,332,174,539.53
  5. Step 5: Solve for x
    x = 39,880,332,174,539.53/7,381,139.30
  6. Step 6: Final answer
    x = 5,403,004.95

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Similar ratio
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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.