Home / 18,783,062.10-28,208,807.55-16,431,599.70

Finding the Fourth Proportional to 18,783,062.10, 28,208,807.55 and 16,431,599.70

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Solution

The fourth proportional to 18,783,062.10, 28,208,807.55 and 16,431,599.70 is: 24,677,330.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783,062.10 : 28,208,807.55 = 16,431,599.70 : x
  2. Step 2: Convert to fraction form
    18,783,062.10/28,208,807.55 = 16,431,599.70/x
  3. Step 3: Cross multiply
    18,783,062.10x = 28,208,807.55 × 16,431,599.70
  4. Step 4: Simplify right side
    18,783,062.10x = 463,515,833,675,937.75
  5. Step 5: Solve for x
    x = 463,515,833,675,937.75/18,783,062.10
  6. Step 6: Final answer
    x = 24,677,330.63

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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.