Home / 30,767,290.74-42,471,934.70-19,170,583.83

Finding the Fourth Proportional to 30,767,290.74, 42,471,934.70 and 19,170,583.83

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Solution

The fourth proportional to 30,767,290.74, 42,471,934.70 and 19,170,583.83 is: 26,463,551.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,767,290.74 : 42,471,934.70 = 19,170,583.83 : x
  2. Step 2: Convert to fraction form
    30,767,290.74/42,471,934.70 = 19,170,583.83/x
  3. Step 3: Cross multiply
    30,767,290.74x = 42,471,934.70 × 19,170,583.83
  4. Step 4: Simplify right side
    30,767,290.74x = 814,211,784,492,782.88
  5. Step 5: Solve for x
    x = 814,211,784,492,782.88/30,767,290.74
  6. Step 6: Final answer
    x = 26,463,551.55

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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.