Home / 12,145,038.66-18,220,748.49-4,364,738.37

Finding the Fourth Proportional to 12,145,038.66, 18,220,748.49 and 4,364,738.37

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Solution

The fourth proportional to 12,145,038.66, 18,220,748.49 and 4,364,738.37 is: 6,548,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145,038.66 : 18,220,748.49 = 4,364,738.37 : x
  2. Step 2: Convert to fraction form
    12,145,038.66/18,220,748.49 = 4,364,738.37/x
  3. Step 3: Cross multiply
    12,145,038.66x = 18,220,748.49 × 4,364,738.37
  4. Step 4: Simplify right side
    12,145,038.66x = 79,528,800,064,422.56
  5. Step 5: Solve for x
    x = 79,528,800,064,422.56/12,145,038.66
  6. Step 6: Final answer
    x = 6,548,254.17

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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.