Home / 28,464,160.80-42,701,770.80-12,290,080.80

Finding the Fourth Proportional to 28,464,160.80, 42,701,770.80 and 12,290,080.80

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Solution

The fourth proportional to 28,464,160.80, 42,701,770.80 and 12,290,080.80 is: 18,437,508.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,464,160.80 : 42,701,770.80 = 12,290,080.80 : x
  2. Step 2: Convert to fraction form
    28,464,160.80/42,701,770.80 = 12,290,080.80/x
  3. Step 3: Cross multiply
    28,464,160.80x = 42,701,770.80 × 12,290,080.80
  4. Step 4: Simplify right side
    28,464,160.80x = 524,808,213,435,080.62
  5. Step 5: Solve for x
    x = 524,808,213,435,080.62/28,464,160.80
  6. Step 6: Final answer
    x = 18,437,508.74

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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.