Home / 9,879,818.40-14,819,727.60-3,895,408.80

Finding the Fourth Proportional to 9,879,818.40, 14,819,727.60 and 3,895,408.80

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Solution

The fourth proportional to 9,879,818.40, 14,819,727.60 and 3,895,408.80 is: 5,843,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879,818.40 : 14,819,727.60 = 3,895,408.80 : x
  2. Step 2: Convert to fraction form
    9,879,818.40/14,819,727.60 = 3,895,408.80/x
  3. Step 3: Cross multiply
    9,879,818.40x = 14,819,727.60 × 3,895,408.80
  4. Step 4: Simplify right side
    9,879,818.40x = 57,728,897,306,642.88
  5. Step 5: Solve for x
    x = 57,728,897,306,642.88/9,879,818.40
  6. Step 6: Final answer
    x = 5,843,113.20

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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.