Home / 12,497,999.64-18,716,725.56-8,649,036.72

Finding the Fourth Proportional to 12,497,999.64, 18,716,725.56 and 8,649,036.72

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Solution

The fourth proportional to 12,497,999.64, 18,716,725.56 and 8,649,036.72 is: 12,952,604.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497,999.64 : 18,716,725.56 = 8,649,036.72 : x
  2. Step 2: Convert to fraction form
    12,497,999.64/18,716,725.56 = 8,649,036.72/x
  3. Step 3: Cross multiply
    12,497,999.64x = 18,716,725.56 × 8,649,036.72
  4. Step 4: Simplify right side
    12,497,999.64x = 161,881,646,646,602.56
  5. Step 5: Solve for x
    x = 161,881,646,646,602.56/12,497,999.64
  6. Step 6: Final answer
    x = 12,952,604.52

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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.