Home / 40,001,540.07-55,202,127.14-21,666,825.57

Finding the Fourth Proportional to 40,001,540.07, 55,202,127.14 and 21,666,825.57

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Solution

The fourth proportional to 40,001,540.07, 55,202,127.14 and 21,666,825.57 is: 29,900,220.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,001,540.07 : 55,202,127.14 = 21,666,825.57 : x
  2. Step 2: Convert to fraction form
    40,001,540.07/55,202,127.14 = 21,666,825.57/x
  3. Step 3: Cross multiply
    40,001,540.07x = 55,202,127.14 × 21,666,825.57
  4. Step 4: Simplify right side
    40,001,540.07x = 1,196,054,860,096,518
  5. Step 5: Solve for x
    x = 1,196,054,860,096,518/40,001,540.07
  6. Step 6: Final answer
    x = 29,900,220.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.