Home / 19,008,420.60-28,429,686.90-17,001,175.80

Finding the Fourth Proportional to 19,008,420.60, 28,429,686.90 and 17,001,175.80

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Solution

The fourth proportional to 19,008,420.60, 28,429,686.90 and 17,001,175.80 is: 25,427,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,420.60 : 28,429,686.90 = 17,001,175.80 : x
  2. Step 2: Convert to fraction form
    19,008,420.60/28,429,686.90 = 17,001,175.80/x
  3. Step 3: Cross multiply
    19,008,420.60x = 28,429,686.90 × 17,001,175.80
  4. Step 4: Simplify right side
    19,008,420.60x = 483,338,104,925,857
  5. Step 5: Solve for x
    x = 483,338,104,925,857/19,008,420.60
  6. Step 6: Final answer
    x = 25,427,578.39

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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.