Home / 13,441,412.16-20,146,859.36-11,819,040.89

Finding the Fourth Proportional to 13,441,412.16, 20,146,859.36 and 11,819,040.89

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Solution

The fourth proportional to 13,441,412.16, 20,146,859.36 and 11,819,040.89 is: 17,715,144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441,412.16 : 20,146,859.36 = 11,819,040.89 : x
  2. Step 2: Convert to fraction form
    13,441,412.16/20,146,859.36 = 11,819,040.89/x
  3. Step 3: Cross multiply
    13,441,412.16x = 20,146,859.36 × 11,819,040.89
  4. Step 4: Simplify right side
    13,441,412.16x = 238,116,554,465,411.12
  5. Step 5: Solve for x
    x = 238,116,554,465,411.12/13,441,412.16
  6. Step 6: Final answer
    x = 17,715,144.19

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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.