Home / 8,428,139.63-11,630,863.52-4,560,660.83

Finding the Fourth Proportional to 8,428,139.63, 11,630,863.52 and 4,560,660.83

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Solution

The fourth proportional to 8,428,139.63, 11,630,863.52 and 4,560,660.83 is: 6,293,728.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,139.63 : 11,630,863.52 = 4,560,660.83 : x
  2. Step 2: Convert to fraction form
    8,428,139.63/11,630,863.52 = 4,560,660.83/x
  3. Step 3: Cross multiply
    8,428,139.63x = 11,630,863.52 × 4,560,660.83
  4. Step 4: Simplify right side
    8,428,139.63x = 53,044,423,627,987.27
  5. Step 5: Solve for x
    x = 53,044,423,627,987.27/8,428,139.63
  6. Step 6: Final answer
    x = 6,293,728.63

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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.