Home / 21,921,891.55-30,741,036.65-21,921,891.55

Finding the Fourth Proportional to 21,921,891.55, 30,741,036.65 and 21,921,891.55

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Solution

The fourth proportional to 21,921,891.55, 30,741,036.65 and 21,921,891.55 is: 30,741,036.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,921,891.55 : 30,741,036.65 = 21,921,891.55 : x
  2. Step 2: Convert to fraction form
    21,921,891.55/30,741,036.65 = 21,921,891.55/x
  3. Step 3: Cross multiply
    21,921,891.55x = 30,741,036.65 × 21,921,891.55
  4. Step 4: Simplify right side
    21,921,891.55x = 673,901,671,575,875.25
  5. Step 5: Solve for x
    x = 673,901,671,575,875.25/21,921,891.55
  6. Step 6: Final answer
    x = 30,741,036.65

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.