Home / 7,884,051.90-11,826,077.85-7,830,907.80

Finding the Fourth Proportional to 7,884,051.90, 11,826,077.85 and 7,830,907.80

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Solution

The fourth proportional to 7,884,051.90, 11,826,077.85 and 7,830,907.80 is: 11,746,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,051.90 : 11,826,077.85 = 7,830,907.80 : x
  2. Step 2: Convert to fraction form
    7,884,051.90/11,826,077.85 = 7,830,907.80/x
  3. Step 3: Cross multiply
    7,884,051.90x = 11,826,077.85 × 7,830,907.80
  4. Step 4: Simplify right side
    7,884,051.90x = 92,608,925,278,972.22
  5. Step 5: Solve for x
    x = 92,608,925,278,972.22/7,884,051.90
  6. Step 6: Final answer
    x = 11,746,361.70

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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.