Home / 8,178,700-11,286,145.08-4,507,605.04

Finding the Fourth Proportional to 8,178,700, 11,286,145.08 and 4,507,605.04

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Solution

The fourth proportional to 8,178,700, 11,286,145.08 and 4,507,605.04 is: 6,220,240.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,700 : 11,286,145.08 = 4,507,605.04 : x
  2. Step 2: Convert to fraction form
    8,178,700/11,286,145.08 = 4,507,605.04/x
  3. Step 3: Cross multiply
    8,178,700x = 11,286,145.08 × 4,507,605.04
  4. Step 4: Simplify right side
    8,178,700x = 50,873,484,444,779.20
  5. Step 5: Solve for x
    x = 50,873,484,444,779.20/8,178,700
  6. Step 6: Final answer
    x = 6,220,240.92

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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.