Home / 7,618,629.84-10,514,011.92-4,180,994.72

Finding the Fourth Proportional to 7,618,629.84, 10,514,011.92 and 4,180,994.72

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Solution

The fourth proportional to 7,618,629.84, 10,514,011.92 and 4,180,994.72 is: 5,769,938.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618,629.84 : 10,514,011.92 = 4,180,994.72 : x
  2. Step 2: Convert to fraction form
    7,618,629.84/10,514,011.92 = 4,180,994.72/x
  3. Step 3: Cross multiply
    7,618,629.84x = 10,514,011.92 × 4,180,994.72
  4. Step 4: Simplify right side
    7,618,629.84x = 43,959,028,323,537.06
  5. Step 5: Solve for x
    x = 43,959,028,323,537.06/7,618,629.84
  6. Step 6: Final answer
    x = 5,769,938.85

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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.