Home / 10,781,010.80-16,171,775.40-3,208,223.60

Finding the Fourth Proportional to 10,781,010.80, 16,171,775.40 and 3,208,223.60

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Solution

The fourth proportional to 10,781,010.80, 16,171,775.40 and 3,208,223.60 is: 4,812,412.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781,010.80 : 16,171,775.40 = 3,208,223.60 : x
  2. Step 2: Convert to fraction form
    10,781,010.80/16,171,775.40 = 3,208,223.60/x
  3. Step 3: Cross multiply
    10,781,010.80x = 16,171,775.40 × 3,208,223.60
  4. Step 4: Simplify right side
    10,781,010.80x = 51,882,671,492,179.45
  5. Step 5: Solve for x
    x = 51,882,671,492,179.45/10,781,010.80
  6. Step 6: Final answer
    x = 4,812,412.53

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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.