Home / 8,585,449.40-12,878,174.10-2,196,201.80

Finding the Fourth Proportional to 8,585,449.40, 12,878,174.10 and 2,196,201.80

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Solution

The fourth proportional to 8,585,449.40, 12,878,174.10 and 2,196,201.80 is: 3,294,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585,449.40 : 12,878,174.10 = 2,196,201.80 : x
  2. Step 2: Convert to fraction form
    8,585,449.40/12,878,174.10 = 2,196,201.80/x
  3. Step 3: Cross multiply
    8,585,449.40x = 12,878,174.10 × 2,196,201.80
  4. Step 4: Simplify right side
    8,585,449.40x = 28,283,069,139,133.38
  5. Step 5: Solve for x
    x = 28,283,069,139,133.38/8,585,449.40
  6. Step 6: Final answer
    x = 3,294,302.70

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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.