Home / 12,097,708.90-18,125,568.15-10,208,140.90

Finding the Fourth Proportional to 12,097,708.90, 18,125,568.15 and 10,208,140.90

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Solution

The fourth proportional to 12,097,708.90, 18,125,568.15 and 10,208,140.90 is: 15,294,495.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,708.90 : 18,125,568.15 = 10,208,140.90 : x
  2. Step 2: Convert to fraction form
    12,097,708.90/18,125,568.15 = 10,208,140.90/x
  3. Step 3: Cross multiply
    12,097,708.90x = 18,125,568.15 × 10,208,140.90
  4. Step 4: Simplify right side
    12,097,708.90x = 185,028,353,567,752.31
  5. Step 5: Solve for x
    x = 185,028,353,567,752.31/12,097,708.90
  6. Step 6: Final answer
    x = 15,294,495.44

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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.