Home / 13,872,769.37-19,144,280.72-7,677,828.11

Finding the Fourth Proportional to 13,872,769.37, 19,144,280.72 and 7,677,828.11

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Solution

The fourth proportional to 13,872,769.37, 19,144,280.72 and 7,677,828.11 is: 10,595,324.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872,769.37 : 19,144,280.72 = 7,677,828.11 : x
  2. Step 2: Convert to fraction form
    13,872,769.37/19,144,280.72 = 7,677,828.11/x
  3. Step 3: Cross multiply
    13,872,769.37x = 19,144,280.72 × 7,677,828.11
  4. Step 4: Simplify right side
    13,872,769.37x = 146,986,496,619,357.91
  5. Step 5: Solve for x
    x = 146,986,496,619,357.91/13,872,769.37
  6. Step 6: Final answer
    x = 10,595,324.75

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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.