Home / 13,851,115.40-20,776,673.10-8,111,552.60

Finding the Fourth Proportional to 13,851,115.40, 20,776,673.10 and 8,111,552.60

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Solution

The fourth proportional to 13,851,115.40, 20,776,673.10 and 8,111,552.60 is: 12,167,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851,115.40 : 20,776,673.10 = 8,111,552.60 : x
  2. Step 2: Convert to fraction form
    13,851,115.40/20,776,673.10 = 8,111,552.60/x
  3. Step 3: Cross multiply
    13,851,115.40x = 20,776,673.10 × 8,111,552.60
  4. Step 4: Simplify right side
    13,851,115.40x = 168,531,076,703,655.06
  5. Step 5: Solve for x
    x = 168,531,076,703,655.06/13,851,115.40
  6. Step 6: Final answer
    x = 12,167,328.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.