Home / 15,372,632.00-21,216,341.60-8,846,128.28

Finding the Fourth Proportional to 15,372,632.00, 21,216,341.60 and 8,846,128.28

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Solution

The fourth proportional to 15,372,632.00, 21,216,341.60 and 8,846,128.28 is: 12,208,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,372,632.00 : 21,216,341.60 = 8,846,128.28 : x
  2. Step 2: Convert to fraction form
    15,372,632.00/21,216,341.60 = 8,846,128.28/x
  3. Step 3: Cross multiply
    15,372,632.00x = 21,216,341.60 × 8,846,128.28
  4. Step 4: Simplify right side
    15,372,632.00x = 187,682,479,275,588.09
  5. Step 5: Solve for x
    x = 187,682,479,275,588.09/15,372,632.00
  6. Step 6: Final answer
    x = 12,208,870.89

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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.