Home / 22,666,939.36-31,279,576.08-12,353,457.76

Finding the Fourth Proportional to 22,666,939.36, 31,279,576.08 and 12,353,457.76

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Solution

The fourth proportional to 22,666,939.36, 31,279,576.08 and 12,353,457.76 is: 17,047,335.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,666,939.36 : 31,279,576.08 = 12,353,457.76 : x
  2. Step 2: Convert to fraction form
    22,666,939.36/31,279,576.08 = 12,353,457.76/x
  3. Step 3: Cross multiply
    22,666,939.36x = 31,279,576.08 × 12,353,457.76
  4. Step 4: Simplify right side
    22,666,939.36x = 386,410,921,854,986.38
  5. Step 5: Solve for x
    x = 386,410,921,854,986.38/22,666,939.36
  6. Step 6: Final answer
    x = 17,047,335.58

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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.