Home / 19,163,964.80-28,748,571.60-6,383,136.80

Finding the Fourth Proportional to 19,163,964.80, 28,748,571.60 and 6,383,136.80

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Solution

The fourth proportional to 19,163,964.80, 28,748,571.60 and 6,383,136.80 is: 9,575,579.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163,964.80 : 28,748,571.60 = 6,383,136.80 : x
  2. Step 2: Convert to fraction form
    19,163,964.80/28,748,571.60 = 6,383,136.80/x
  3. Step 3: Cross multiply
    19,163,964.80x = 28,748,571.60 × 6,383,136.80
  4. Step 4: Simplify right side
    19,163,964.80x = 183,506,065,327,394.88
  5. Step 5: Solve for x
    x = 183,506,065,327,394.88/19,163,964.80
  6. Step 6: Final answer
    x = 9,575,579.34

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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.