Home / 7,004,803.80-10,515,078.90-5,414,417.40

Finding the Fourth Proportional to 7,004,803.80, 10,515,078.90 and 5,414,417.40

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Solution

The fourth proportional to 7,004,803.80, 10,515,078.90 and 5,414,417.40 is: 8,127,711.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004,803.80 : 10,515,078.90 = 5,414,417.40 : x
  2. Step 2: Convert to fraction form
    7,004,803.80/10,515,078.90 = 5,414,417.40/x
  3. Step 3: Cross multiply
    7,004,803.80x = 10,515,078.90 × 5,414,417.40
  4. Step 4: Simplify right side
    7,004,803.80x = 56,933,026,158,532.87
  5. Step 5: Solve for x
    x = 56,933,026,158,532.87/7,004,803.80
  6. Step 6: Final answer
    x = 8,127,711.75

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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.