Home / 21,768,061.60-32,652,092.40-19,416,599.20

Finding the Fourth Proportional to 21,768,061.60, 32,652,092.40 and 19,416,599.20

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Solution

The fourth proportional to 21,768,061.60, 32,652,092.40 and 19,416,599.20 is: 29,124,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,768,061.60 : 32,652,092.40 = 19,416,599.20 : x
  2. Step 2: Convert to fraction form
    21,768,061.60/32,652,092.40 = 19,416,599.20/x
  3. Step 3: Cross multiply
    21,768,061.60x = 32,652,092.40 × 19,416,599.20
  4. Step 4: Simplify right side
    21,768,061.60x = 633,992,591,172,166
  5. Step 5: Solve for x
    x = 633,992,591,172,166/21,768,061.60
  6. Step 6: Final answer
    x = 29,124,898.80

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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.