Home / 12,004,142.64-18,006,187.02-9,275,657.84

Finding the Fourth Proportional to 12,004,142.64, 18,006,187.02 and 9,275,657.84

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Solution

The fourth proportional to 12,004,142.64, 18,006,187.02 and 9,275,657.84 is: 13,913,465.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004,142.64 : 18,006,187.02 = 9,275,657.84 : x
  2. Step 2: Convert to fraction form
    12,004,142.64/18,006,187.02 = 9,275,657.84/x
  3. Step 3: Cross multiply
    12,004,142.64x = 18,006,187.02 × 9,275,657.84
  4. Step 4: Simplify right side
    12,004,142.64x = 167,019,229,800,569.22
  5. Step 5: Solve for x
    x = 167,019,229,800,569.22/12,004,142.64
  6. Step 6: Final answer
    x = 13,913,465.94

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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.