Home / 8,195,811.80-12,285,423.30-4,828,285.40

Finding the Fourth Proportional to 8,195,811.80, 12,285,423.30 and 4,828,285.40

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Solution

The fourth proportional to 8,195,811.80, 12,285,423.30 and 4,828,285.40 is: 7,237,541.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195,811.80 : 12,285,423.30 = 4,828,285.40 : x
  2. Step 2: Convert to fraction form
    8,195,811.80/12,285,423.30 = 4,828,285.40/x
  3. Step 3: Cross multiply
    8,195,811.80x = 12,285,423.30 × 4,828,285.40
  4. Step 4: Simplify right side
    8,195,811.80x = 59,317,529,952,209.83
  5. Step 5: Solve for x
    x = 59,317,529,952,209.83/8,195,811.80
  6. Step 6: Final answer
    x = 7,237,541.73

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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.