Home / 30,455,874.79-45,680,573.72-8,595,713.56

Finding the Fourth Proportional to 30,455,874.79, 45,680,573.72 and 8,595,713.56

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Solution

The fourth proportional to 30,455,874.79, 45,680,573.72 and 8,595,713.56 is: 12,892,656.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,455,874.79 : 45,680,573.72 = 8,595,713.56 : x
  2. Step 2: Convert to fraction form
    30,455,874.79/45,680,573.72 = 8,595,713.56/x
  3. Step 3: Cross multiply
    30,455,874.79x = 45,680,573.72 × 8,595,713.56
  4. Step 4: Simplify right side
    30,455,874.79x = 392,657,126,833,944.81
  5. Step 5: Solve for x
    x = 392,657,126,833,944.81/30,455,874.79
  6. Step 6: Final answer
    x = 12,892,656.33

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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.