Home / 20,736,186.60-31,093,220.70-8,755,386.60

Finding the Fourth Proportional to 20,736,186.60, 31,093,220.70 and 8,755,386.60

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Solution

The fourth proportional to 20,736,186.60, 31,093,220.70 and 8,755,386.60 is: 13,128,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,186.60 : 31,093,220.70 = 8,755,386.60 : x
  2. Step 2: Convert to fraction form
    20,736,186.60/31,093,220.70 = 8,755,386.60/x
  3. Step 3: Cross multiply
    20,736,186.60x = 31,093,220.70 × 8,755,386.60
  4. Step 4: Simplify right side
    20,736,186.60x = 272,233,167,867,622.59
  5. Step 5: Solve for x
    x = 272,233,167,867,622.59/20,736,186.60
  6. Step 6: Final answer
    x = 13,128,410.40

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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.