Home / 8,768,818.80-13,155,220.80-3,977,879.40

Finding the Fourth Proportional to 8,768,818.80, 13,155,220.80 and 3,977,879.40

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Solution

The fourth proportional to 8,768,818.80, 13,155,220.80 and 3,977,879.40 is: 5,967,723.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768,818.80 : 13,155,220.80 = 3,977,879.40 : x
  2. Step 2: Convert to fraction form
    8,768,818.80/13,155,220.80 = 3,977,879.40/x
  3. Step 3: Cross multiply
    8,768,818.80x = 13,155,220.80 × 3,977,879.40
  4. Step 4: Simplify right side
    8,768,818.80x = 52,329,881,822,771.52
  5. Step 5: Solve for x
    x = 52,329,881,822,771.52/8,768,818.80
  6. Step 6: Final answer
    x = 5,967,723.02

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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.