Home / 10,780,447.40-16,173,003.90-3,208,178.60

Finding the Fourth Proportional to 10,780,447.40, 16,173,003.90 and 3,208,178.60

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Solution

The fourth proportional to 10,780,447.40, 16,173,003.90 and 3,208,178.60 is: 4,812,962.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,447.40 : 16,173,003.90 = 3,208,178.60 : x
  2. Step 2: Convert to fraction form
    10,780,447.40/16,173,003.90 = 3,208,178.60/x
  3. Step 3: Cross multiply
    10,780,447.40x = 16,173,003.90 × 3,208,178.60
  4. Step 4: Simplify right side
    10,780,447.40x = 51,885,885,009,696.54
  5. Step 5: Solve for x
    x = 51,885,885,009,696.54/10,780,447.40
  6. Step 6: Final answer
    x = 4,812,962.12

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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.