Home / 30,908,846.64-42,659,652.60-17,856,597.36

Finding the Fourth Proportional to 30,908,846.64, 42,659,652.60 and 17,856,597.36

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Solution

The fourth proportional to 30,908,846.64, 42,659,652.60 and 17,856,597.36 is: 24,645,249.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,908,846.64 : 42,659,652.60 = 17,856,597.36 : x
  2. Step 2: Convert to fraction form
    30,908,846.64/42,659,652.60 = 17,856,597.36/x
  3. Step 3: Cross multiply
    30,908,846.64x = 42,659,652.60 × 17,856,597.36
  4. Step 4: Simplify right side
    30,908,846.64x = 761,756,239,995,677.12
  5. Step 5: Solve for x
    x = 761,756,239,995,677.12/30,908,846.64
  6. Step 6: Final answer
    x = 24,645,249.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.