Home / 27,980,143.36-41,971,712.64-8,812,394.24

Finding the Fourth Proportional to 27,980,143.36, 41,971,712.64 and 8,812,394.24

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Solution

The fourth proportional to 27,980,143.36, 41,971,712.64 and 8,812,394.24 is: 13,219,063.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,980,143.36 : 41,971,712.64 = 8,812,394.24 : x
  2. Step 2: Convert to fraction form
    27,980,143.36/41,971,712.64 = 8,812,394.24/x
  3. Step 3: Cross multiply
    27,980,143.36x = 41,971,712.64 × 8,812,394.24
  4. Step 4: Simplify right side
    27,980,143.36x = 369,871,278,711,671.19
  5. Step 5: Solve for x
    x = 369,871,278,711,671.19/27,980,143.36
  6. Step 6: Final answer
    x = 13,219,063.03

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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.