Home / 7,137,370-9,848,300.52-4,039,878.16

Finding the Fourth Proportional to 7,137,370, 9,848,300.52 and 4,039,878.16

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Solution

The fourth proportional to 7,137,370, 9,848,300.52 and 4,039,878.16 is: 5,574,312.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,370 : 9,848,300.52 = 4,039,878.16 : x
  2. Step 2: Convert to fraction form
    7,137,370/9,848,300.52 = 4,039,878.16/x
  3. Step 3: Cross multiply
    7,137,370x = 9,848,300.52 × 4,039,878.16
  4. Step 4: Simplify right side
    7,137,370x = 39,785,934,183,864.64
  5. Step 5: Solve for x
    x = 39,785,934,183,864.64/7,137,370
  6. Step 6: Final answer
    x = 5,574,312.97

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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.