Home / 10,215,823.47-14,097,198.65-5,632,144.84

Finding the Fourth Proportional to 10,215,823.47, 14,097,198.65 and 5,632,144.84

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Solution

The fourth proportional to 10,215,823.47, 14,097,198.65 and 5,632,144.84 is: 7,772,008.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215,823.47 : 14,097,198.65 = 5,632,144.84 : x
  2. Step 2: Convert to fraction form
    10,215,823.47/14,097,198.65 = 5,632,144.84/x
  3. Step 3: Cross multiply
    10,215,823.47x = 14,097,198.65 × 5,632,144.84
  4. Step 4: Simplify right side
    10,215,823.47x = 79,397,464,635,052.47
  5. Step 5: Solve for x
    x = 79,397,464,635,052.47/10,215,823.47
  6. Step 6: Final answer
    x = 7,772,008.28

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1.5x scale

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.