Home / 40,835,819.40-61,236,014.40-13,531,561.80

Finding the Fourth Proportional to 40,835,819.40, 61,236,014.40 and 13,531,561.80

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Solution

The fourth proportional to 40,835,819.40, 61,236,014.40 and 13,531,561.80 is: 20,291,472.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,835,819.40 : 61,236,014.40 = 13,531,561.80 : x
  2. Step 2: Convert to fraction form
    40,835,819.40/61,236,014.40 = 13,531,561.80/x
  3. Step 3: Cross multiply
    40,835,819.40x = 61,236,014.40 × 13,531,561.80
  4. Step 4: Simplify right side
    40,835,819.40x = 828,618,913,239,290
  5. Step 5: Solve for x
    x = 828,618,913,239,290/40,835,819.40
  6. Step 6: Final answer
    x = 20,291,472.67

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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.