Home / 20,200,712.20-30,301,068.30-10,099,688.20

Finding the Fourth Proportional to 20,200,712.20, 30,301,068.30 and 10,099,688.20

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Solution

The fourth proportional to 20,200,712.20, 30,301,068.30 and 10,099,688.20 is: 15,149,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200,712.20 : 30,301,068.30 = 10,099,688.20 : x
  2. Step 2: Convert to fraction form
    20,200,712.20/30,301,068.30 = 10,099,688.20/x
  3. Step 3: Cross multiply
    20,200,712.20x = 30,301,068.30 × 10,099,688.20
  4. Step 4: Simplify right side
    20,200,712.20x = 306,031,341,956,904.06
  5. Step 5: Solve for x
    x = 306,031,341,956,904.06/20,200,712.20
  6. Step 6: Final answer
    x = 15,149,532.30

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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.