Home / 12,124,903.20-18,134,866.80-10,854,693.60

Finding the Fourth Proportional to 12,124,903.20, 18,134,866.80 and 10,854,693.60

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Solution

The fourth proportional to 12,124,903.20, 18,134,866.80 and 10,854,693.60 is: 16,235,051.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124,903.20 : 18,134,866.80 = 10,854,693.60 : x
  2. Step 2: Convert to fraction form
    12,124,903.20/18,134,866.80 = 10,854,693.60/x
  3. Step 3: Cross multiply
    12,124,903.20x = 18,134,866.80 × 10,854,693.60
  4. Step 4: Simplify right side
    12,124,903.20x = 196,848,422,590,812.47
  5. Step 5: Solve for x
    x = 196,848,422,590,812.47/12,124,903.20
  6. Step 6: Final answer
    x = 16,235,051.06

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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.