Home / 21,786,088.85-30,064,802.58-11,996,509.74

Finding the Fourth Proportional to 21,786,088.85, 30,064,802.58 and 11,996,509.74

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Solution

The fourth proportional to 21,786,088.85, 30,064,802.58 and 11,996,509.74 is: 16,555,183.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786,088.85 : 30,064,802.58 = 11,996,509.74 : x
  2. Step 2: Convert to fraction form
    21,786,088.85/30,064,802.58 = 11,996,509.74/x
  3. Step 3: Cross multiply
    21,786,088.85x = 30,064,802.58 × 11,996,509.74
  4. Step 4: Simplify right side
    21,786,088.85x = 360,672,696,982,147.12
  5. Step 5: Solve for x
    x = 360,672,696,982,147.12/21,786,088.85
  6. Step 6: Final answer
    x = 16,555,183.43

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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.