Home / 30,230,818.44-45,346,260.51-7,511,715.78

Finding the Fourth Proportional to 30,230,818.44, 45,346,260.51 and 7,511,715.78

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Solution

The fourth proportional to 30,230,818.44, 45,346,260.51 and 7,511,715.78 is: 11,267,581.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,230,818.44 : 45,346,260.51 = 7,511,715.78 : x
  2. Step 2: Convert to fraction form
    30,230,818.44/45,346,260.51 = 7,511,715.78/x
  3. Step 3: Cross multiply
    30,230,818.44x = 45,346,260.51 × 7,511,715.78
  4. Step 4: Simplify right side
    30,230,818.44x = 340,628,220,636,957.88
  5. Step 5: Solve for x
    x = 340,628,220,636,957.88/30,230,818.44
  6. Step 6: Final answer
    x = 11,267,581.83

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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.