Home / 9,045,742.11-12,483,245.71-4,915,855.05

Finding the Fourth Proportional to 9,045,742.11, 12,483,245.71 and 4,915,855.05

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Solution

The fourth proportional to 9,045,742.11, 12,483,245.71 and 4,915,855.05 is: 6,783,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045,742.11 : 12,483,245.71 = 4,915,855.05 : x
  2. Step 2: Convert to fraction form
    9,045,742.11/12,483,245.71 = 4,915,855.05/x
  3. Step 3: Cross multiply
    9,045,742.11x = 12,483,245.71 × 4,915,855.05
  4. Step 4: Simplify right side
    9,045,742.11x = 61,365,826,463,894.34
  5. Step 5: Solve for x
    x = 61,365,826,463,894.34/9,045,742.11
  6. Step 6: Final answer
    x = 6,783,946.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.