Home / 7,927,830.72-10,940,608.80-4,490,020.80

Finding the Fourth Proportional to 7,927,830.72, 10,940,608.80 and 4,490,020.80

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Solution

The fourth proportional to 7,927,830.72, 10,940,608.80 and 4,490,020.80 is: 6,196,343.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927,830.72 : 10,940,608.80 = 4,490,020.80 : x
  2. Step 2: Convert to fraction form
    7,927,830.72/10,940,608.80 = 4,490,020.80/x
  3. Step 3: Cross multiply
    7,927,830.72x = 10,940,608.80 × 4,490,020.80
  4. Step 4: Simplify right side
    7,927,830.72x = 49,123,561,076,663.04
  5. Step 5: Solve for x
    x = 49,123,561,076,663.04/7,927,830.72
  6. Step 6: Final answer
    x = 6,196,343.34

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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.