Home / 10,255,986.68-15,384,006.08-4,190,718.42

Finding the Fourth Proportional to 10,255,986.68, 15,384,006.08 and 4,190,718.42

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Solution

The fourth proportional to 10,255,986.68, 15,384,006.08 and 4,190,718.42 is: 6,286,088.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255,986.68 : 15,384,006.08 = 4,190,718.42 : x
  2. Step 2: Convert to fraction form
    10,255,986.68/15,384,006.08 = 4,190,718.42/x
  3. Step 3: Cross multiply
    10,255,986.68x = 15,384,006.08 × 4,190,718.42
  4. Step 4: Simplify right side
    10,255,986.68x = 64,470,037,701,784.80
  5. Step 5: Solve for x
    x = 64,470,037,701,784.80/10,255,986.68
  6. Step 6: Final answer
    x = 6,286,088.28

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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.