Home / 8,271,570.70-12,407,356.05-5,986,374.40

Finding the Fourth Proportional to 8,271,570.70, 12,407,356.05 and 5,986,374.40

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Solution

The fourth proportional to 8,271,570.70, 12,407,356.05 and 5,986,374.40 is: 8,979,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,570.70 : 12,407,356.05 = 5,986,374.40 : x
  2. Step 2: Convert to fraction form
    8,271,570.70/12,407,356.05 = 5,986,374.40/x
  3. Step 3: Cross multiply
    8,271,570.70x = 12,407,356.05 × 5,986,374.40
  4. Step 4: Simplify right side
    8,271,570.70x = 74,275,078,629,405.12
  5. Step 5: Solve for x
    x = 74,275,078,629,405.12/8,271,570.70
  6. Step 6: Final answer
    x = 8,979,561.60

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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.