Home / 8,220,369.74-11,344,131.78-4,549,539.44

Finding the Fourth Proportional to 8,220,369.74, 11,344,131.78 and 4,549,539.44

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Solution

The fourth proportional to 8,220,369.74, 11,344,131.78 and 4,549,539.44 is: 6,278,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220,369.74 : 11,344,131.78 = 4,549,539.44 : x
  2. Step 2: Convert to fraction form
    8,220,369.74/11,344,131.78 = 4,549,539.44/x
  3. Step 3: Cross multiply
    8,220,369.74x = 11,344,131.78 × 4,549,539.44
  4. Step 4: Simplify right side
    8,220,369.74x = 51,610,574,956,966.95
  5. Step 5: Solve for x
    x = 51,610,574,956,966.95/8,220,369.74
  6. Step 6: Final answer
    x = 6,278,376.35

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1.5x scale

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.