Home / 8,666,128.82-11,959,111.27-4,798,566.74

Finding the Fourth Proportional to 8,666,128.82, 11,959,111.27 and 4,798,566.74

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Solution

The fourth proportional to 8,666,128.82, 11,959,111.27 and 4,798,566.74 is: 6,621,940.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666,128.82 : 11,959,111.27 = 4,798,566.74 : x
  2. Step 2: Convert to fraction form
    8,666,128.82/11,959,111.27 = 4,798,566.74/x
  3. Step 3: Cross multiply
    8,666,128.82x = 11,959,111.27 × 4,798,566.74
  4. Step 4: Simplify right side
    8,666,128.82x = 57,386,593,580,181.16
  5. Step 5: Solve for x
    x = 57,386,593,580,181.16/8,666,128.82
  6. Step 6: Final answer
    x = 6,621,940.98

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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.