Home / 10,851,690.90-16,280,128.35-3,278,730.90

Finding the Fourth Proportional to 10,851,690.90, 16,280,128.35 and 3,278,730.90

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Solution

The fourth proportional to 10,851,690.90, 16,280,128.35 and 3,278,730.90 is: 4,918,879.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851,690.90 : 16,280,128.35 = 3,278,730.90 : x
  2. Step 2: Convert to fraction form
    10,851,690.90/16,280,128.35 = 3,278,730.90/x
  3. Step 3: Cross multiply
    10,851,690.90x = 16,280,128.35 × 3,278,730.90
  4. Step 4: Simplify right side
    10,851,690.90x = 53,378,159,877,111.02
  5. Step 5: Solve for x
    x = 53,378,159,877,111.02/10,851,690.90
  6. Step 6: Final answer
    x = 4,918,879.50

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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.