Home / 28,453,540.76-42,688,302.60-11,426,171.12

Finding the Fourth Proportional to 28,453,540.76, 42,688,302.60 and 11,426,171.12

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Solution

The fourth proportional to 28,453,540.76, 42,688,302.60 and 11,426,171.12 is: 17,142,465.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453,540.76 : 42,688,302.60 = 11,426,171.12 : x
  2. Step 2: Convert to fraction form
    28,453,540.76/42,688,302.60 = 11,426,171.12/x
  3. Step 3: Cross multiply
    28,453,540.76x = 42,688,302.60 × 11,426,171.12
  4. Step 4: Simplify right side
    28,453,540.76x = 487,763,850,329,940.88
  5. Step 5: Solve for x
    x = 487,763,850,329,940.88/28,453,540.76
  6. Step 6: Final answer
    x = 17,142,465.83

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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.