Home / 8,655,989-11,945,616.54-4,788,443.48

Finding the Fourth Proportional to 8,655,989, 11,945,616.54 and 4,788,443.48

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Solution

The fourth proportional to 8,655,989, 11,945,616.54 and 4,788,443.48 is: 6,608,246.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655,989 : 11,945,616.54 = 4,788,443.48 : x
  2. Step 2: Convert to fraction form
    8,655,989/11,945,616.54 = 4,788,443.48/x
  3. Step 3: Cross multiply
    8,655,989x = 11,945,616.54 × 4,788,443.48
  4. Step 4: Simplify right side
    8,655,989x = 57,200,909,635,543.16
  5. Step 5: Solve for x
    x = 57,200,909,635,543.16/8,655,989
  6. Step 6: Final answer
    x = 6,608,246.57

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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.