Home / 21,734,685.33-29,994,215.67-12,442,218.05

Finding the Fourth Proportional to 21,734,685.33, 29,994,215.67 and 12,442,218.05

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Solution

The fourth proportional to 21,734,685.33, 29,994,215.67 and 12,442,218.05 is: 17,170,461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,734,685.33 : 29,994,215.67 = 12,442,218.05 : x
  2. Step 2: Convert to fraction form
    21,734,685.33/29,994,215.67 = 12,442,218.05/x
  3. Step 3: Cross multiply
    21,734,685.33x = 29,994,215.67 × 12,442,218.05
  4. Step 4: Simplify right side
    21,734,685.33x = 373,194,571,454,895.81
  5. Step 5: Solve for x
    x = 373,194,571,454,895.81/21,734,685.33
  6. Step 6: Final answer
    x = 17,170,461.21

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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.