Home / 10,856,985.80-16,284,312.30-2,878,809.80

Finding the Fourth Proportional to 10,856,985.80, 16,284,312.30 and 2,878,809.80

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Solution

The fourth proportional to 10,856,985.80, 16,284,312.30 and 2,878,809.80 is: 4,317,905.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856,985.80 : 16,284,312.30 = 2,878,809.80 : x
  2. Step 2: Convert to fraction form
    10,856,985.80/16,284,312.30 = 2,878,809.80/x
  3. Step 3: Cross multiply
    10,856,985.80x = 16,284,312.30 × 2,878,809.80
  4. Step 4: Simplify right side
    10,856,985.80x = 46,879,437,835,500.54
  5. Step 5: Solve for x
    x = 46,879,437,835,500.54/10,856,985.80
  6. Step 6: Final answer
    x = 4,317,905.42

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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.