Home / 8,870,421.20-13,305,631.80-4,618,893.20

Finding the Fourth Proportional to 8,870,421.20, 13,305,631.80 and 4,618,893.20

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Solution

The fourth proportional to 8,870,421.20, 13,305,631.80 and 4,618,893.20 is: 6,928,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,421.20 : 13,305,631.80 = 4,618,893.20 : x
  2. Step 2: Convert to fraction form
    8,870,421.20/13,305,631.80 = 4,618,893.20/x
  3. Step 3: Cross multiply
    8,870,421.20x = 13,305,631.80 × 4,618,893.20
  4. Step 4: Simplify right side
    8,870,421.20x = 61,457,292,242,723.77
  5. Step 5: Solve for x
    x = 61,457,292,242,723.77/8,870,421.20
  6. Step 6: Final answer
    x = 6,928,339.80

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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.