Home / 12,893,031.50-19,339,699.14-5,113,842.75

Finding the Fourth Proportional to 12,893,031.50, 19,339,699.14 and 5,113,842.75

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Solution

The fourth proportional to 12,893,031.50, 19,339,699.14 and 5,113,842.75 is: 7,670,824.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,893,031.50 : 19,339,699.14 = 5,113,842.75 : x
  2. Step 2: Convert to fraction form
    12,893,031.50/19,339,699.14 = 5,113,842.75/x
  3. Step 3: Cross multiply
    12,893,031.50x = 19,339,699.14 × 5,113,842.75
  4. Step 4: Simplify right side
    12,893,031.50x = 98,900,180,234,270.23
  5. Step 5: Solve for x
    x = 98,900,180,234,270.23/12,893,031.50
  6. Step 6: Final answer
    x = 7,670,824.37

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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.