Home / 7,310,193.56-10,965,653.21-1,918,859.48

Finding the Fourth Proportional to 7,310,193.56, 10,965,653.21 and 1,918,859.48

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Solution

The fourth proportional to 7,310,193.56, 10,965,653.21 and 1,918,859.48 is: 2,878,384.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310,193.56 : 10,965,653.21 = 1,918,859.48 : x
  2. Step 2: Convert to fraction form
    7,310,193.56/10,965,653.21 = 1,918,859.48/x
  3. Step 3: Cross multiply
    7,310,193.56x = 10,965,653.21 × 1,918,859.48
  4. Step 4: Simplify right side
    7,310,193.56x = 21,041,547,566,369.82
  5. Step 5: Solve for x
    x = 21,041,547,566,369.82/7,310,193.56
  6. Step 6: Final answer
    x = 2,878,384.47

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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.