Home / 28,184,755.59-42,261,747.84-8,486,009.19

Finding the Fourth Proportional to 28,184,755.59, 42,261,747.84 and 8,486,009.19

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Solution

The fourth proportional to 28,184,755.59, 42,261,747.84 and 8,486,009.19 is: 12,724,381.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184,755.59 : 42,261,747.84 = 8,486,009.19 : x
  2. Step 2: Convert to fraction form
    28,184,755.59/42,261,747.84 = 8,486,009.19/x
  3. Step 3: Cross multiply
    28,184,755.59x = 42,261,747.84 × 8,486,009.19
  4. Step 4: Simplify right side
    28,184,755.59x = 358,633,580,555,702.69
  5. Step 5: Solve for x
    x = 358,633,580,555,702.69/28,184,755.59
  6. Step 6: Final answer
    x = 12,724,381.43

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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.