Home / 19,526,731.60-29,284,848.60-8,164,829.20

Finding the Fourth Proportional to 19,526,731.60, 29,284,848.60 and 8,164,829.20

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Solution

The fourth proportional to 19,526,731.60, 29,284,848.60 and 8,164,829.20 is: 12,245,049.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,526,731.60 : 29,284,848.60 = 8,164,829.20 : x
  2. Step 2: Convert to fraction form
    19,526,731.60/29,284,848.60 = 8,164,829.20/x
  3. Step 3: Cross multiply
    19,526,731.60x = 29,284,848.60 × 8,164,829.20
  4. Step 4: Simplify right side
    19,526,731.60x = 239,105,786,966,859.12
  5. Step 5: Solve for x
    x = 239,105,786,966,859.12/19,526,731.60
  6. Step 6: Final answer
    x = 12,245,049.09

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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.