Home / 10,302,820.55-14,217,181.13-5,718,781.07

Finding the Fourth Proportional to 10,302,820.55, 14,217,181.13 and 5,718,781.07

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Solution

The fourth proportional to 10,302,820.55, 14,217,181.13 and 5,718,781.07 is: 7,891,523.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302,820.55 : 14,217,181.13 = 5,718,781.07 : x
  2. Step 2: Convert to fraction form
    10,302,820.55/14,217,181.13 = 5,718,781.07/x
  3. Step 3: Cross multiply
    10,302,820.55x = 14,217,181.13 × 5,718,781.07
  4. Step 4: Simplify right side
    10,302,820.55x = 81,304,946,243,919.31
  5. Step 5: Solve for x
    x = 81,304,946,243,919.31/10,302,820.55
  6. Step 6: Final answer
    x = 7,891,523.09

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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.