Home / 13,585,635.46-18,748,298.82-7,390,817.38

Finding the Fourth Proportional to 13,585,635.46, 18,748,298.82 and 7,390,817.38

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Solution

The fourth proportional to 13,585,635.46, 18,748,298.82 and 7,390,817.38 is: 10,199,394.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585,635.46 : 18,748,298.82 = 7,390,817.38 : x
  2. Step 2: Convert to fraction form
    13,585,635.46/18,748,298.82 = 7,390,817.38/x
  3. Step 3: Cross multiply
    13,585,635.46x = 18,748,298.82 × 7,390,817.38
  4. Step 4: Simplify right side
    13,585,635.46x = 138,565,252,764,289.48
  5. Step 5: Solve for x
    x = 138,565,252,764,289.48/13,585,635.46
  6. Step 6: Final answer
    x = 10,199,394.29

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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.