Home / 7,807,440.76-10,774,605-4,322,779.54

Finding the Fourth Proportional to 7,807,440.76, 10,774,605 and 4,322,779.54

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Solution

The fourth proportional to 7,807,440.76, 10,774,605 and 4,322,779.54 is: 5,965,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,807,440.76 : 10,774,605 = 4,322,779.54 : x
  2. Step 2: Convert to fraction form
    7,807,440.76/10,774,605 = 4,322,779.54/x
  3. Step 3: Cross multiply
    7,807,440.76x = 10,774,605 × 4,322,779.54
  4. Step 4: Simplify right side
    7,807,440.76x = 46,576,242,045,581.70
  5. Step 5: Solve for x
    x = 46,576,242,045,581.70/7,807,440.76
  6. Step 6: Final answer
    x = 5,965,622.22

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Double scale
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1.5x scale

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.