Home / 7,557,902.60-11,336,940.30-1,878,139.40

Finding the Fourth Proportional to 7,557,902.60, 11,336,940.30 and 1,878,139.40

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Solution

The fourth proportional to 7,557,902.60, 11,336,940.30 and 1,878,139.40 is: 2,817,230.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557,902.60 : 11,336,940.30 = 1,878,139.40 : x
  2. Step 2: Convert to fraction form
    7,557,902.60/11,336,940.30 = 1,878,139.40/x
  3. Step 3: Cross multiply
    7,557,902.60x = 11,336,940.30 × 1,878,139.40
  4. Step 4: Simplify right side
    7,557,902.60x = 21,292,354,252,877.82
  5. Step 5: Solve for x
    x = 21,292,354,252,877.82/7,557,902.60
  6. Step 6: Final answer
    x = 2,817,230.57

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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.