Home / 9,212,205.60-12,708,732.24-5,342,483.52

Finding the Fourth Proportional to 9,212,205.60, 12,708,732.24 and 5,342,483.52

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Solution

The fourth proportional to 9,212,205.60, 12,708,732.24 and 5,342,483.52 is: 7,370,242.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212,205.60 : 12,708,732.24 = 5,342,483.52 : x
  2. Step 2: Convert to fraction form
    9,212,205.60/12,708,732.24 = 5,342,483.52/x
  3. Step 3: Cross multiply
    9,212,205.60x = 12,708,732.24 × 5,342,483.52
  4. Step 4: Simplify right side
    9,212,205.60x = 67,896,192,552,292.68
  5. Step 5: Solve for x
    x = 67,896,192,552,292.68/9,212,205.60
  6. Step 6: Final answer
    x = 7,370,242.86

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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.