Home / 20,434,097.60-28,205,887.84-12,176,750.02

Finding the Fourth Proportional to 20,434,097.60, 28,205,887.84 and 12,176,750.02

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Solution

The fourth proportional to 20,434,097.60, 28,205,887.84 and 12,176,750.02 is: 16,807,986.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,434,097.60 : 28,205,887.84 = 12,176,750.02 : x
  2. Step 2: Convert to fraction form
    20,434,097.60/28,205,887.84 = 12,176,750.02/x
  3. Step 3: Cross multiply
    20,434,097.60x = 28,205,887.84 × 12,176,750.02
  4. Step 4: Simplify right side
    20,434,097.60x = 343,456,045,319,837.75
  5. Step 5: Solve for x
    x = 343,456,045,319,837.75/20,434,097.60
  6. Step 6: Final answer
    x = 16,807,986.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.