Home / 19,918,019.20-29,877,028.80-19,729,062.40

Finding the Fourth Proportional to 19,918,019.20, 29,877,028.80 and 19,729,062.40

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Solution

The fourth proportional to 19,918,019.20, 29,877,028.80 and 19,729,062.40 is: 29,593,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918,019.20 : 29,877,028.80 = 19,729,062.40 : x
  2. Step 2: Convert to fraction form
    19,918,019.20/29,877,028.80 = 19,729,062.40/x
  3. Step 3: Cross multiply
    19,918,019.20x = 29,877,028.80 × 19,729,062.40
  4. Step 4: Simplify right side
    19,918,019.20x = 589,445,765,521,797.12
  5. Step 5: Solve for x
    x = 589,445,765,521,797.12/19,918,019.20
  6. Step 6: Final answer
    x = 29,593,593.60

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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.