Home / 7,628,368.73-10,527,338.75-4,143,706.47

Finding the Fourth Proportional to 7,628,368.73, 10,527,338.75 and 4,143,706.47

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Solution

The fourth proportional to 7,628,368.73, 10,527,338.75 and 4,143,706.47 is: 5,718,418.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628,368.73 : 10,527,338.75 = 4,143,706.47 : x
  2. Step 2: Convert to fraction form
    7,628,368.73/10,527,338.75 = 4,143,706.47/x
  3. Step 3: Cross multiply
    7,628,368.73x = 10,527,338.75 × 4,143,706.47
  4. Step 4: Simplify right side
    7,628,368.73x = 43,622,201,669,538.18
  5. Step 5: Solve for x
    x = 43,622,201,669,538.18/7,628,368.73
  6. Step 6: Final answer
    x = 5,718,418.08

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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.