Home / 7,684,784.28-10,605,019.23-4,200,178.86

Finding the Fourth Proportional to 7,684,784.28, 10,605,019.23 and 4,200,178.86

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Solution

The fourth proportional to 7,684,784.28, 10,605,019.23 and 4,200,178.86 is: 5,796,256.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,684,784.28 : 10,605,019.23 = 4,200,178.86 : x
  2. Step 2: Convert to fraction form
    7,684,784.28/10,605,019.23 = 4,200,178.86/x
  3. Step 3: Cross multiply
    7,684,784.28x = 10,605,019.23 × 4,200,178.86
  4. Step 4: Simplify right side
    7,684,784.28x = 44,542,977,579,739.48
  5. Step 5: Solve for x
    x = 44,542,977,579,739.48/7,684,784.28
  6. Step 6: Final answer
    x = 5,796,256.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.