Home / 19,201,719.60-28,806,726.60-5,739,908.40

Finding the Fourth Proportional to 19,201,719.60, 28,806,726.60 and 5,739,908.40

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Solution

The fourth proportional to 19,201,719.60, 28,806,726.60 and 5,739,908.40 is: 8,611,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201,719.60 : 28,806,726.60 = 5,739,908.40 : x
  2. Step 2: Convert to fraction form
    19,201,719.60/28,806,726.60 = 5,739,908.40/x
  3. Step 3: Cross multiply
    19,201,719.60x = 28,806,726.60 × 5,739,908.40
  4. Step 4: Simplify right side
    19,201,719.60x = 165,347,971,987,843.47
  5. Step 5: Solve for x
    x = 165,347,971,987,843.47/19,201,719.60
  6. Step 6: Final answer
    x = 8,611,102.31

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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.