Home / 12,974,126.60-19,461,189.90-8,196,552.20

Finding the Fourth Proportional to 12,974,126.60, 19,461,189.90 and 8,196,552.20

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Solution

The fourth proportional to 12,974,126.60, 19,461,189.90 and 8,196,552.20 is: 12,294,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974,126.60 : 19,461,189.90 = 8,196,552.20 : x
  2. Step 2: Convert to fraction form
    12,974,126.60/19,461,189.90 = 8,196,552.20/x
  3. Step 3: Cross multiply
    12,974,126.60x = 19,461,189.90 × 8,196,552.20
  4. Step 4: Simplify right side
    12,974,126.60x = 159,514,658,889,462.78
  5. Step 5: Solve for x
    x = 159,514,658,889,462.78/12,974,126.60
  6. Step 6: Final answer
    x = 12,294,828.30

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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.