Home / 21,559,946.60-32,292,680.70-19,166,493.80

Finding the Fourth Proportional to 21,559,946.60, 32,292,680.70 and 19,166,493.80

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Solution

The fourth proportional to 21,559,946.60, 32,292,680.70 and 19,166,493.80 is: 28,707,745.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559,946.60 : 32,292,680.70 = 19,166,493.80 : x
  2. Step 2: Convert to fraction form
    21,559,946.60/32,292,680.70 = 19,166,493.80/x
  3. Step 3: Cross multiply
    21,559,946.60x = 32,292,680.70 × 19,166,493.80
  4. Step 4: Simplify right side
    21,559,946.60x = 618,937,464,421,929.62
  5. Step 5: Solve for x
    x = 618,937,464,421,929.62/21,559,946.60
  6. Step 6: Final answer
    x = 28,707,745.71

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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.