Home / 6,518,879.70-9,778,319.55-4,749,407.70

Finding the Fourth Proportional to 6,518,879.70, 9,778,319.55 and 4,749,407.70

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Solution

The fourth proportional to 6,518,879.70, 9,778,319.55 and 4,749,407.70 is: 7,124,111.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518,879.70 : 9,778,319.55 = 4,749,407.70 : x
  2. Step 2: Convert to fraction form
    6,518,879.70/9,778,319.55 = 4,749,407.70/x
  3. Step 3: Cross multiply
    6,518,879.70x = 9,778,319.55 × 4,749,407.70
  4. Step 4: Simplify right side
    6,518,879.70x = 46,441,226,163,830.54
  5. Step 5: Solve for x
    x = 46,441,226,163,830.54/6,518,879.70
  6. Step 6: Final answer
    x = 7,124,111.55

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Similar ratio
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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.