Home / 13,818,602.12-20,730,559.96-5,298,274.08

Finding the Fourth Proportional to 13,818,602.12, 20,730,559.96 and 5,298,274.08

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Solution

The fourth proportional to 13,818,602.12, 20,730,559.96 and 5,298,274.08 is: 7,948,429.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,602.12 : 20,730,559.96 = 5,298,274.08 : x
  2. Step 2: Convert to fraction form
    13,818,602.12/20,730,559.96 = 5,298,274.08/x
  3. Step 3: Cross multiply
    13,818,602.12x = 20,730,559.96 × 5,298,274.08
  4. Step 4: Simplify right side
    13,818,602.12x = 109,836,188,499,953.84
  5. Step 5: Solve for x
    x = 109,836,188,499,953.84/13,818,602.12
  6. Step 6: Final answer
    x = 7,948,429.77

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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.