Home / 31,053,204.36-42,853,597.70-18,008,208.63

Finding the Fourth Proportional to 31,053,204.36, 42,853,597.70 and 18,008,208.63

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Solution

The fourth proportional to 31,053,204.36, 42,853,597.70 and 18,008,208.63 is: 24,851,429.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,053,204.36 : 42,853,597.70 = 18,008,208.63 : x
  2. Step 2: Convert to fraction form
    31,053,204.36/42,853,597.70 = 18,008,208.63/x
  3. Step 3: Cross multiply
    31,053,204.36x = 42,853,597.70 × 18,008,208.63
  4. Step 4: Simplify right side
    31,053,204.36x = 771,716,527,837,647.12
  5. Step 5: Solve for x
    x = 771,716,527,837,647.12/31,053,204.36
  6. Step 6: Final answer
    x = 24,851,429.79

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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.