Home / 13,762,434.13-18,992,706.31-7,567,988.69

Finding the Fourth Proportional to 13,762,434.13, 18,992,706.31 and 7,567,988.69

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Solution

The fourth proportional to 13,762,434.13, 18,992,706.31 and 7,567,988.69 is: 10,444,125.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762,434.13 : 18,992,706.31 = 7,567,988.69 : x
  2. Step 2: Convert to fraction form
    13,762,434.13/18,992,706.31 = 7,567,988.69/x
  3. Step 3: Cross multiply
    13,762,434.13x = 18,992,706.31 × 7,567,988.69
  4. Step 4: Simplify right side
    13,762,434.13x = 143,736,586,617,794.25
  5. Step 5: Solve for x
    x = 143,736,586,617,794.25/13,762,434.13
  6. Step 6: Final answer
    x = 10,444,125.31

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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.