Home / 21,786,089.35-30,064,803.27-11,996,510.24

Finding the Fourth Proportional to 21,786,089.35, 30,064,803.27 and 11,996,510.24

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Solution

The fourth proportional to 21,786,089.35, 30,064,803.27 and 11,996,510.24 is: 16,555,184.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786,089.35 : 30,064,803.27 = 11,996,510.24 : x
  2. Step 2: Convert to fraction form
    21,786,089.35/30,064,803.27 = 11,996,510.24/x
  3. Step 3: Cross multiply
    21,786,089.35x = 30,064,803.27 × 11,996,510.24
  4. Step 4: Simplify right side
    21,786,089.35x = 360,672,720,292,140.50
  5. Step 5: Solve for x
    x = 360,672,720,292,140.50/21,786,089.35
  6. Step 6: Final answer
    x = 16,555,184.12

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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.