Home / 13,165,828.88-18,161,527.52-7,658,584.16

Finding the Fourth Proportional to 13,165,828.88, 18,161,527.52 and 7,658,584.16

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Solution

The fourth proportional to 13,165,828.88, 18,161,527.52 and 7,658,584.16 is: 10,564,590.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165,828.88 : 18,161,527.52 = 7,658,584.16 : x
  2. Step 2: Convert to fraction form
    13,165,828.88/18,161,527.52 = 7,658,584.16/x
  3. Step 3: Cross multiply
    13,165,828.88x = 18,161,527.52 × 7,658,584.16
  4. Step 4: Simplify right side
    13,165,828.88x = 139,091,586,986,076.08
  5. Step 5: Solve for x
    x = 139,091,586,986,076.08/13,165,828.88
  6. Step 6: Final answer
    x = 10,564,590.22

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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.