Home / 28,004,012.40-42,006,018.60-10,050,783.60

Finding the Fourth Proportional to 28,004,012.40, 42,006,018.60 and 10,050,783.60

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Solution

The fourth proportional to 28,004,012.40, 42,006,018.60 and 10,050,783.60 is: 15,076,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,004,012.40 : 42,006,018.60 = 10,050,783.60 : x
  2. Step 2: Convert to fraction form
    28,004,012.40/42,006,018.60 = 10,050,783.60/x
  3. Step 3: Cross multiply
    28,004,012.40x = 42,006,018.60 × 10,050,783.60
  4. Step 4: Simplify right side
    28,004,012.40x = 422,193,402,846,174.94
  5. Step 5: Solve for x
    x = 422,193,402,846,174.94/28,004,012.40
  6. Step 6: Final answer
    x = 15,076,175.40

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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.