Home / 8,608,778.36-11,879,235.04-5,300,547.20

Finding the Fourth Proportional to 8,608,778.36, 11,879,235.04 and 5,300,547.20

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Solution

The fourth proportional to 8,608,778.36, 11,879,235.04 and 5,300,547.20 is: 7,314,213.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608,778.36 : 11,879,235.04 = 5,300,547.20 : x
  2. Step 2: Convert to fraction form
    8,608,778.36/11,879,235.04 = 5,300,547.20/x
  3. Step 3: Cross multiply
    8,608,778.36x = 11,879,235.04 × 5,300,547.20
  4. Step 4: Simplify right side
    8,608,778.36x = 62,966,446,029,413.88
  5. Step 5: Solve for x
    x = 62,966,446,029,413.88/8,608,778.36
  6. Step 6: Final answer
    x = 7,314,213.86

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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.