Home / 12,974,138.60-19,461,207.90-8,196,564.20

Finding the Fourth Proportional to 12,974,138.60, 19,461,207.90 and 8,196,564.20

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Solution

The fourth proportional to 12,974,138.60, 19,461,207.90 and 8,196,564.20 is: 12,294,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974,138.60 : 19,461,207.90 = 8,196,564.20 : x
  2. Step 2: Convert to fraction form
    12,974,138.60/19,461,207.90 = 8,196,564.20/x
  3. Step 3: Cross multiply
    12,974,138.60x = 19,461,207.90 × 8,196,564.20
  4. Step 4: Simplify right side
    12,974,138.60x = 159,515,039,961,897.16
  5. Step 5: Solve for x
    x = 159,515,039,961,897.16/12,974,138.60
  6. Step 6: Final answer
    x = 12,294,846.30

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Double scale
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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.