Home / 30,181,998.60-45,278,902.80-12,910,166.10

Finding the Fourth Proportional to 30,181,998.60, 45,278,902.80 and 12,910,166.10

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Solution

The fourth proportional to 30,181,998.60, 45,278,902.80 and 12,910,166.10 is: 19,367,774.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,181,998.60 : 45,278,902.80 = 12,910,166.10 : x
  2. Step 2: Convert to fraction form
    30,181,998.60/45,278,902.80 = 12,910,166.10/x
  3. Step 3: Cross multiply
    30,181,998.60x = 45,278,902.80 × 12,910,166.10
  4. Step 4: Simplify right side
    30,181,998.60x = 584,558,155,973,755
  5. Step 5: Solve for x
    x = 584,558,155,973,755/30,181,998.60
  6. Step 6: Final answer
    x = 19,367,774.94

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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.