Home / 30,780,674.85-42,473,597.36-17,732,158.05

Finding the Fourth Proportional to 30,780,674.85, 42,473,597.36 and 17,732,158.05

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Solution

The fourth proportional to 30,780,674.85, 42,473,597.36 and 17,732,158.05 is: 24,468,227.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,780,674.85 : 42,473,597.36 = 17,732,158.05 : x
  2. Step 2: Convert to fraction form
    30,780,674.85/42,473,597.36 = 17,732,158.05/x
  3. Step 3: Cross multiply
    30,780,674.85x = 42,473,597.36 × 17,732,158.05
  4. Step 4: Simplify right side
    30,780,674.85x = 753,148,541,250,921.88
  5. Step 5: Solve for x
    x = 753,148,541,250,921.88/30,780,674.85
  6. Step 6: Final answer
    x = 24,468,227.06

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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.