Home / 7,020,811.40-9,685,834.56-4,267,055.12

Finding the Fourth Proportional to 7,020,811.40, 9,685,834.56 and 4,267,055.12

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Solution

The fourth proportional to 7,020,811.40, 9,685,834.56 and 4,267,055.12 is: 5,886,782.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,811.40 : 9,685,834.56 = 4,267,055.12 : x
  2. Step 2: Convert to fraction form
    7,020,811.40/9,685,834.56 = 4,267,055.12/x
  3. Step 3: Cross multiply
    7,020,811.40x = 9,685,834.56 × 4,267,055.12
  4. Step 4: Simplify right side
    7,020,811.40x = 41,329,989,950,720.95
  5. Step 5: Solve for x
    x = 41,329,989,950,720.95/7,020,811.40
  6. Step 6: Final answer
    x = 5,886,782.54

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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.