Home / 19,205,430.40-28,808,145.60-13,851,654.40

Finding the Fourth Proportional to 19,205,430.40, 28,808,145.60 and 13,851,654.40

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Solution

The fourth proportional to 19,205,430.40, 28,808,145.60 and 13,851,654.40 is: 20,777,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205,430.40 : 28,808,145.60 = 13,851,654.40 : x
  2. Step 2: Convert to fraction form
    19,205,430.40/28,808,145.60 = 13,851,654.40/x
  3. Step 3: Cross multiply
    19,205,430.40x = 28,808,145.60 × 13,851,654.40
  4. Step 4: Simplify right side
    19,205,430.40x = 399,040,476,756,080.69
  5. Step 5: Solve for x
    x = 399,040,476,756,080.69/19,205,430.40
  6. Step 6: Final answer
    x = 20,777,481.60

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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.