Home / 12,903,076.08-17,806,243.95-7,022,752.38

Finding the Fourth Proportional to 12,903,076.08, 17,806,243.95 and 7,022,752.38

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Solution

The fourth proportional to 12,903,076.08, 17,806,243.95 and 7,022,752.38 is: 9,691,397.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903,076.08 : 17,806,243.95 = 7,022,752.38 : x
  2. Step 2: Convert to fraction form
    12,903,076.08/17,806,243.95 = 7,022,752.38/x
  3. Step 3: Cross multiply
    12,903,076.08x = 17,806,243.95 × 7,022,752.38
  4. Step 4: Simplify right side
    12,903,076.08x = 125,048,842,078,723.09
  5. Step 5: Solve for x
    x = 125,048,842,078,723.09/12,903,076.08
  6. Step 6: Final answer
    x = 9,691,397.72

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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.