Home / 30,674,826.08-42,326,057.66-18,284,697.40

Finding the Fourth Proportional to 30,674,826.08, 42,326,057.66 and 18,284,697.40

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Solution

The fourth proportional to 30,674,826.08, 42,326,057.66 and 18,284,697.40 is: 25,229,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,674,826.08 : 42,326,057.66 = 18,284,697.40 : x
  2. Step 2: Convert to fraction form
    30,674,826.08/42,326,057.66 = 18,284,697.40/x
  3. Step 3: Cross multiply
    30,674,826.08x = 42,326,057.66 × 18,284,697.40
  4. Step 4: Simplify right side
    30,674,826.08x = 773,919,156,448,052
  5. Step 5: Solve for x
    x = 773,919,156,448,052/30,674,826.08
  6. Step 6: Final answer
    x = 25,229,781.40

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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.