Home / 13,786,902.30-20,680,353.45-8,685,068.70

Finding the Fourth Proportional to 13,786,902.30, 20,680,353.45 and 8,685,068.70

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Solution

The fourth proportional to 13,786,902.30, 20,680,353.45 and 8,685,068.70 is: 13,027,603.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786,902.30 : 20,680,353.45 = 8,685,068.70 : x
  2. Step 2: Convert to fraction form
    13,786,902.30/20,680,353.45 = 8,685,068.70/x
  3. Step 3: Cross multiply
    13,786,902.30x = 20,680,353.45 × 8,685,068.70
  4. Step 4: Simplify right side
    13,786,902.30x = 179,610,290,453,532
  5. Step 5: Solve for x
    x = 179,610,290,453,532/13,786,902.30
  6. Step 6: Final answer
    x = 13,027,603.05

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1.5x scale

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.