Home / 12,775,061.40-19,162,592.10-11,929,032.60

Finding the Fourth Proportional to 12,775,061.40, 19,162,592.10 and 11,929,032.60

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Solution

The fourth proportional to 12,775,061.40, 19,162,592.10 and 11,929,032.60 is: 17,893,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775,061.40 : 19,162,592.10 = 11,929,032.60 : x
  2. Step 2: Convert to fraction form
    12,775,061.40/19,162,592.10 = 11,929,032.60/x
  3. Step 3: Cross multiply
    12,775,061.40x = 19,162,592.10 × 11,929,032.60
  4. Step 4: Simplify right side
    12,775,061.40x = 228,591,185,861,402.47
  5. Step 5: Solve for x
    x = 228,591,185,861,402.47/12,775,061.40
  6. Step 6: Final answer
    x = 17,893,548.90

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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.