Home / 7,345,124.40-11,017,686.60-2,857,400.40

Finding the Fourth Proportional to 7,345,124.40, 11,017,686.60 and 2,857,400.40

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Solution

The fourth proportional to 7,345,124.40, 11,017,686.60 and 2,857,400.40 is: 4,286,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345,124.40 : 11,017,686.60 = 2,857,400.40 : x
  2. Step 2: Convert to fraction form
    7,345,124.40/11,017,686.60 = 2,857,400.40/x
  3. Step 3: Cross multiply
    7,345,124.40x = 11,017,686.60 × 2,857,400.40
  4. Step 4: Simplify right side
    7,345,124.40x = 31,481,942,097,914.64
  5. Step 5: Solve for x
    x = 31,481,942,097,914.64/7,345,124.40
  6. Step 6: Final answer
    x = 4,286,100.60

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Similar ratio
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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.