Home / 11,688,684.33-16,128,987.06-6,460,986.45

Finding the Fourth Proportional to 11,688,684.33, 16,128,987.06 and 6,460,986.45

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Solution

The fourth proportional to 11,688,684.33, 16,128,987.06 and 6,460,986.45 is: 8,915,388.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688,684.33 : 16,128,987.06 = 6,460,986.45 : x
  2. Step 2: Convert to fraction form
    11,688,684.33/16,128,987.06 = 6,460,986.45/x
  3. Step 3: Cross multiply
    11,688,684.33x = 16,128,987.06 × 6,460,986.45
  4. Step 4: Simplify right side
    11,688,684.33x = 104,209,166,846,885.34
  5. Step 5: Solve for x
    x = 104,209,166,846,885.34/11,688,684.33
  6. Step 6: Final answer
    x = 8,915,388.93

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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.