Home / 8,208,000.20-12,312,000.30-7,816,089.80

Finding the Fourth Proportional to 8,208,000.20, 12,312,000.30 and 7,816,089.80

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Solution

The fourth proportional to 8,208,000.20, 12,312,000.30 and 7,816,089.80 is: 11,724,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208,000.20 : 12,312,000.30 = 7,816,089.80 : x
  2. Step 2: Convert to fraction form
    8,208,000.20/12,312,000.30 = 7,816,089.80/x
  3. Step 3: Cross multiply
    8,208,000.20x = 12,312,000.30 × 7,816,089.80
  4. Step 4: Simplify right side
    8,208,000.20x = 96,231,699,962,426.94
  5. Step 5: Solve for x
    x = 96,231,699,962,426.94/8,208,000.20
  6. Step 6: Final answer
    x = 11,724,134.70

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1.5x scale

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.