Home / 7,641,912.78-10,547,345.46-4,380,915.36

Finding the Fourth Proportional to 7,641,912.78, 10,547,345.46 and 4,380,915.36

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Solution

The fourth proportional to 7,641,912.78, 10,547,345.46 and 4,380,915.36 is: 6,046,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641,912.78 : 10,547,345.46 = 4,380,915.36 : x
  2. Step 2: Convert to fraction form
    7,641,912.78/10,547,345.46 = 4,380,915.36/x
  3. Step 3: Cross multiply
    7,641,912.78x = 10,547,345.46 × 4,380,915.36
  4. Step 4: Simplify right side
    7,641,912.78x = 46,207,027,732,940.27
  5. Step 5: Solve for x
    x = 46,207,027,732,940.27/7,641,912.78
  6. Step 6: Final answer
    x = 6,046,526.45

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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.