Home / 18,506,163-25,492,873.08-15,744,003.84

Finding the Fourth Proportional to 18,506,163, 25,492,873.08 and 15,744,003.84

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Solution

The fourth proportional to 18,506,163, 25,492,873.08 and 15,744,003.84 is: 21,687,904.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506,163 : 25,492,873.08 = 15,744,003.84 : x
  2. Step 2: Convert to fraction form
    18,506,163/25,492,873.08 = 15,744,003.84/x
  3. Step 3: Cross multiply
    18,506,163x = 25,492,873.08 × 15,744,003.84
  4. Step 4: Simplify right side
    18,506,163x = 401,359,891,664,152.62
  5. Step 5: Solve for x
    x = 401,359,891,664,152.62/18,506,163
  6. Step 6: Final answer
    x = 21,687,904.28

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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.