Home / 7,938,326.40-11,892,464.88-4,690,150.32

Finding the Fourth Proportional to 7,938,326.40, 11,892,464.88 and 4,690,150.32

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Solution

The fourth proportional to 7,938,326.40, 11,892,464.88 and 4,690,150.32 is: 7,026,348.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938,326.40 : 11,892,464.88 = 4,690,150.32 : x
  2. Step 2: Convert to fraction form
    7,938,326.40/11,892,464.88 = 4,690,150.32/x
  3. Step 3: Cross multiply
    7,938,326.40x = 11,892,464.88 × 4,690,150.32
  4. Step 4: Simplify right side
    7,938,326.40x = 55,777,447,962,520.77
  5. Step 5: Solve for x
    x = 55,777,447,962,520.77/7,938,326.40
  6. Step 6: Final answer
    x = 7,026,348.52

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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.