Home / 8,185,655.10-12,254,863.05-7,240,871.10

Finding the Fourth Proportional to 8,185,655.10, 12,254,863.05 and 7,240,871.10

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Solution

The fourth proportional to 8,185,655.10, 12,254,863.05 and 7,240,871.10 is: 10,840,413.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185,655.10 : 12,254,863.05 = 7,240,871.10 : x
  2. Step 2: Convert to fraction form
    8,185,655.10/12,254,863.05 = 7,240,871.10/x
  3. Step 3: Cross multiply
    8,185,655.10x = 12,254,863.05 × 7,240,871.10
  4. Step 4: Simplify right side
    8,185,655.10x = 88,735,883,693,202.86
  5. Step 5: Solve for x
    x = 88,735,883,693,202.86/8,185,655.10
  6. Step 6: Final answer
    x = 10,840,413.21

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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.