Home / 28,076,448.30-42,114,672.45-19,006,521.90

Finding the Fourth Proportional to 28,076,448.30, 42,114,672.45 and 19,006,521.90

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Solution

The fourth proportional to 28,076,448.30, 42,114,672.45 and 19,006,521.90 is: 28,509,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,076,448.30 : 42,114,672.45 = 19,006,521.90 : x
  2. Step 2: Convert to fraction form
    28,076,448.30/42,114,672.45 = 19,006,521.90/x
  3. Step 3: Cross multiply
    28,076,448.30x = 42,114,672.45 × 19,006,521.90
  4. Step 4: Simplify right side
    28,076,448.30x = 800,453,444,232,251.62
  5. Step 5: Solve for x
    x = 800,453,444,232,251.62/28,076,448.30
  6. Step 6: Final answer
    x = 28,509,782.85

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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.