Home / 19,929,399.60-29,894,099.40-18,228,788.40

Finding the Fourth Proportional to 19,929,399.60, 29,894,099.40 and 18,228,788.40

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Solution

The fourth proportional to 19,929,399.60, 29,894,099.40 and 18,228,788.40 is: 27,343,182.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929,399.60 : 29,894,099.40 = 18,228,788.40 : x
  2. Step 2: Convert to fraction form
    19,929,399.60/29,894,099.40 = 18,228,788.40/x
  3. Step 3: Cross multiply
    19,929,399.60x = 29,894,099.40 × 18,228,788.40
  4. Step 4: Simplify right side
    19,929,399.60x = 544,933,212,371,166.88
  5. Step 5: Solve for x
    x = 544,933,212,371,166.88/19,929,399.60
  6. Step 6: Final answer
    x = 27,343,182.60

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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.