Home / 47,056,979.70-70,532,981.55-18,293,555.70

Finding the Fourth Proportional to 47,056,979.70, 70,532,981.55 and 18,293,555.70

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Solution

The fourth proportional to 47,056,979.70, 70,532,981.55 and 18,293,555.70 is: 27,419,928.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,056,979.70 : 70,532,981.55 = 18,293,555.70 : x
  2. Step 2: Convert to fraction form
    47,056,979.70/70,532,981.55 = 18,293,555.70/x
  3. Step 3: Cross multiply
    47,056,979.70x = 70,532,981.55 × 18,293,555.70
  4. Step 4: Simplify right side
    47,056,979.70x = 1,290,299,026,671,997.25
  5. Step 5: Solve for x
    x = 1,290,299,026,671,997.25/47,056,979.70
  6. Step 6: Final answer
    x = 27,419,928.67

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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.