Home / 19,072,117.60-28,608,176.40-11,891,759.20

Finding the Fourth Proportional to 19,072,117.60, 28,608,176.40 and 11,891,759.20

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Solution

The fourth proportional to 19,072,117.60, 28,608,176.40 and 11,891,759.20 is: 17,837,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072,117.60 : 28,608,176.40 = 11,891,759.20 : x
  2. Step 2: Convert to fraction form
    19,072,117.60/28,608,176.40 = 11,891,759.20/x
  3. Step 3: Cross multiply
    19,072,117.60x = 28,608,176.40 × 11,891,759.20
  4. Step 4: Simplify right side
    19,072,117.60x = 340,201,544,899,922.81
  5. Step 5: Solve for x
    x = 340,201,544,899,922.81/19,072,117.60
  6. Step 6: Final answer
    x = 17,837,638.80

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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.