Home / 8,421,605.40-12,632,408.10-3,036,336.60

Finding the Fourth Proportional to 8,421,605.40, 12,632,408.10 and 3,036,336.60

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Solution

The fourth proportional to 8,421,605.40, 12,632,408.10 and 3,036,336.60 is: 4,554,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,605.40 : 12,632,408.10 = 3,036,336.60 : x
  2. Step 2: Convert to fraction form
    8,421,605.40/12,632,408.10 = 3,036,336.60/x
  3. Step 3: Cross multiply
    8,421,605.40x = 12,632,408.10 × 3,036,336.60
  4. Step 4: Simplify right side
    8,421,605.40x = 38,356,243,060,166.46
  5. Step 5: Solve for x
    x = 38,356,243,060,166.46/8,421,605.40
  6. Step 6: Final answer
    x = 4,554,504.90

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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.