Home / 28,284,830.60-42,427,245.90-10,331,601.80

Finding the Fourth Proportional to 28,284,830.60, 42,427,245.90 and 10,331,601.80

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Solution

The fourth proportional to 28,284,830.60, 42,427,245.90 and 10,331,601.80 is: 15,497,402.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,284,830.60 : 42,427,245.90 = 10,331,601.80 : x
  2. Step 2: Convert to fraction form
    28,284,830.60/42,427,245.90 = 10,331,601.80/x
  3. Step 3: Cross multiply
    28,284,830.60x = 42,427,245.90 × 10,331,601.80
  4. Step 4: Simplify right side
    28,284,830.60x = 438,341,410,109,482.62
  5. Step 5: Solve for x
    x = 438,341,410,109,482.62/28,284,830.60
  6. Step 6: Final answer
    x = 15,497,402.70

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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.