Home / 13,176,347.70-19,767,929.16-7,716,053.84

Finding the Fourth Proportional to 13,176,347.70, 19,767,929.16 and 7,716,053.84

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Solution

The fourth proportional to 13,176,347.70, 19,767,929.16 and 7,716,053.84 is: 11,576,076.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176,347.70 : 19,767,929.16 = 7,716,053.84 : x
  2. Step 2: Convert to fraction form
    13,176,347.70/19,767,929.16 = 7,716,053.84/x
  3. Step 3: Cross multiply
    13,176,347.70x = 19,767,929.16 × 7,716,053.84
  4. Step 4: Simplify right side
    13,176,347.70x = 152,530,405,703,865.97
  5. Step 5: Solve for x
    x = 152,530,405,703,865.97/13,176,347.70
  6. Step 6: Final answer
    x = 11,576,076.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.