Home / 6,646,133.70-9,968,314.73-1,853,421.62

Finding the Fourth Proportional to 6,646,133.70, 9,968,314.73 and 1,853,421.62

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Solution

The fourth proportional to 6,646,133.70, 9,968,314.73 and 1,853,421.62 is: 2,779,885.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646,133.70 : 9,968,314.73 = 1,853,421.62 : x
  2. Step 2: Convert to fraction form
    6,646,133.70/9,968,314.73 = 1,853,421.62/x
  3. Step 3: Cross multiply
    6,646,133.70x = 9,968,314.73 × 1,853,421.62
  4. Step 4: Simplify right side
    6,646,133.70x = 18,475,489,986,863.28
  5. Step 5: Solve for x
    x = 18,475,489,986,863.28/6,646,133.70
  6. Step 6: Final answer
    x = 2,779,885.39

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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.