Home / 21,455,487.60-32,183,231.40-19,104,025.20

Finding the Fourth Proportional to 21,455,487.60, 32,183,231.40 and 19,104,025.20

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Solution

The fourth proportional to 21,455,487.60, 32,183,231.40 and 19,104,025.20 is: 28,656,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,455,487.60 : 32,183,231.40 = 19,104,025.20 : x
  2. Step 2: Convert to fraction form
    21,455,487.60/32,183,231.40 = 19,104,025.20/x
  3. Step 3: Cross multiply
    21,455,487.60x = 32,183,231.40 × 19,104,025.20
  4. Step 4: Simplify right side
    21,455,487.60x = 614,829,263,683,031.25
  5. Step 5: Solve for x
    x = 614,829,263,683,031.25/21,455,487.60
  6. Step 6: Final answer
    x = 28,656,037.80

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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.