Home / 30,664,570.34-45,986,900.72-10,188,790.74

Finding the Fourth Proportional to 30,664,570.34, 45,986,900.72 and 10,188,790.74

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Solution

The fourth proportional to 30,664,570.34, 45,986,900.72 and 10,188,790.74 is: 15,279,878.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,664,570.34 : 45,986,900.72 = 10,188,790.74 : x
  2. Step 2: Convert to fraction form
    30,664,570.34/45,986,900.72 = 10,188,790.74/x
  3. Step 3: Cross multiply
    30,664,570.34x = 45,986,900.72 × 10,188,790.74
  4. Step 4: Simplify right side
    30,664,570.34x = 468,550,908,166,291.44
  5. Step 5: Solve for x
    x = 468,550,908,166,291.44/30,664,570.34
  6. Step 6: Final answer
    x = 15,279,878.47

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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.