Home / 8,878,870.20-13,303,871.10-8,028,564.60

Finding the Fourth Proportional to 8,878,870.20, 13,303,871.10 and 8,028,564.60

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Solution

The fourth proportional to 8,878,870.20, 13,303,871.10 and 8,028,564.60 is: 12,029,795.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878,870.20 : 13,303,871.10 = 8,028,564.60 : x
  2. Step 2: Convert to fraction form
    8,878,870.20/13,303,871.10 = 8,028,564.60/x
  3. Step 3: Cross multiply
    8,878,870.20x = 13,303,871.10 × 8,028,564.60
  4. Step 4: Simplify right side
    8,878,870.20x = 106,810,988,556,423.05
  5. Step 5: Solve for x
    x = 106,810,988,556,423.05/8,878,870.20
  6. Step 6: Final answer
    x = 12,029,795.02

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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.