Home / 13,622,223.69-18,798,795.59-7,510,869.45

Finding the Fourth Proportional to 13,622,223.69, 18,798,795.59 and 7,510,869.45

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Solution

The fourth proportional to 13,622,223.69, 18,798,795.59 and 7,510,869.45 is: 10,365,069.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622,223.69 : 18,798,795.59 = 7,510,869.45 : x
  2. Step 2: Convert to fraction form
    13,622,223.69/18,798,795.59 = 7,510,869.45/x
  3. Step 3: Cross multiply
    13,622,223.69x = 18,798,795.59 × 7,510,869.45
  4. Step 4: Simplify right side
    13,622,223.69x = 141,195,299,456,171.38
  5. Step 5: Solve for x
    x = 141,195,299,456,171.38/13,622,223.69
  6. Step 6: Final answer
    x = 10,365,069.81

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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.