Home / 20,731,467.30-31,097,200.96-20,412,602.70

Finding the Fourth Proportional to 20,731,467.30, 31,097,200.96 and 20,412,602.70

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Solution

The fourth proportional to 20,731,467.30, 31,097,200.96 and 20,412,602.70 is: 30,618,904.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,731,467.30 : 31,097,200.96 = 20,412,602.70 : x
  2. Step 2: Convert to fraction form
    20,731,467.30/31,097,200.96 = 20,412,602.70/x
  3. Step 3: Cross multiply
    20,731,467.30x = 31,097,200.96 × 20,412,602.70
  4. Step 4: Simplify right side
    20,731,467.30x = 634,774,808,278,538.62
  5. Step 5: Solve for x
    x = 634,774,808,278,538.62/20,731,467.30
  6. Step 6: Final answer
    x = 30,618,904.06

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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.