Home / 7,182,116.12-9,908,730.68-5,528,768.83

Finding the Fourth Proportional to 7,182,116.12, 9,908,730.68 and 5,528,768.83

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Solution

The fourth proportional to 7,182,116.12, 9,908,730.68 and 5,528,768.83 is: 7,627,707.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182,116.12 : 9,908,730.68 = 5,528,768.83 : x
  2. Step 2: Convert to fraction form
    7,182,116.12/9,908,730.68 = 5,528,768.83/x
  3. Step 3: Cross multiply
    7,182,116.12x = 9,908,730.68 × 5,528,768.83
  4. Step 4: Simplify right side
    7,182,116.12x = 54,783,081,276,033.03
  5. Step 5: Solve for x
    x = 54,783,081,276,033.03/7,182,116.12
  6. Step 6: Final answer
    x = 7,627,707.54

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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.