Home / 7,938,109.44-11,892,180.54-4,689,955.20

Finding the Fourth Proportional to 7,938,109.44, 11,892,180.54 and 4,689,955.20

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Solution

The fourth proportional to 7,938,109.44, 11,892,180.54 and 4,689,955.20 is: 7,026,080.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938,109.44 : 11,892,180.54 = 4,689,955.20 : x
  2. Step 2: Convert to fraction form
    7,938,109.44/11,892,180.54 = 4,689,955.20/x
  3. Step 3: Cross multiply
    7,938,109.44x = 11,892,180.54 × 4,689,955.20
  4. Step 4: Simplify right side
    7,938,109.44x = 55,773,793,962,911.80
  5. Step 5: Solve for x
    x = 55,773,793,962,911.80/7,938,109.44
  6. Step 6: Final answer
    x = 7,026,080.25

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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.