Home / 53,310,449.40-79,965,674.94-12,920,933.40

Finding the Fourth Proportional to 53,310,449.40, 79,965,674.94 and 12,920,933.40

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Solution

The fourth proportional to 53,310,449.40, 79,965,674.94 and 12,920,933.40 is: 19,381,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,310,449.40 : 79,965,674.94 = 12,920,933.40 : x
  2. Step 2: Convert to fraction form
    53,310,449.40/79,965,674.94 = 12,920,933.40/x
  3. Step 3: Cross multiply
    53,310,449.40x = 79,965,674.94 × 12,920,933.40
  4. Step 4: Simplify right side
    53,310,449.40x = 1,033,231,160,185,789
  5. Step 5: Solve for x
    x = 1,033,231,160,185,789/53,310,449.40
  6. Step 6: Final answer
    x = 19,381,400.30

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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.