Home / 17,751,878.40-26,627,817.60-12,968,909.40

Finding the Fourth Proportional to 17,751,878.40, 26,627,817.60 and 12,968,909.40

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Solution

The fourth proportional to 17,751,878.40, 26,627,817.60 and 12,968,909.40 is: 19,453,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,751,878.40 : 26,627,817.60 = 12,968,909.40 : x
  2. Step 2: Convert to fraction form
    17,751,878.40/26,627,817.60 = 12,968,909.40/x
  3. Step 3: Cross multiply
    17,751,878.40x = 26,627,817.60 × 12,968,909.40
  4. Step 4: Simplify right side
    17,751,878.40x = 345,333,753,974,125.50
  5. Step 5: Solve for x
    x = 345,333,753,974,125.50/17,751,878.40
  6. Step 6: Final answer
    x = 19,453,364.10

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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.