Home / 9,376,308.80-14,027,138.40-8,128,001.60

Finding the Fourth Proportional to 9,376,308.80, 14,027,138.40 and 8,128,001.60

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Solution

The fourth proportional to 9,376,308.80, 14,027,138.40 and 8,128,001.60 is: 12,159,646.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376,308.80 : 14,027,138.40 = 8,128,001.60 : x
  2. Step 2: Convert to fraction form
    9,376,308.80/14,027,138.40 = 8,128,001.60/x
  3. Step 3: Cross multiply
    9,376,308.80x = 14,027,138.40 × 8,128,001.60
  4. Step 4: Simplify right side
    9,376,308.80x = 114,012,603,358,621.44
  5. Step 5: Solve for x
    x = 114,012,603,358,621.44/9,376,308.80
  6. Step 6: Final answer
    x = 12,159,646.81

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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.