Home / 13,317,758.70-18,390,926.28-9,802,276.38

Finding the Fourth Proportional to 13,317,758.70, 18,390,926.28 and 9,802,276.38

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Solution

The fourth proportional to 13,317,758.70, 18,390,926.28 and 9,802,276.38 is: 13,536,282.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317,758.70 : 18,390,926.28 = 9,802,276.38 : x
  2. Step 2: Convert to fraction form
    13,317,758.70/18,390,926.28 = 9,802,276.38/x
  3. Step 3: Cross multiply
    13,317,758.70x = 18,390,926.28 × 9,802,276.38
  4. Step 4: Simplify right side
    13,317,758.70x = 180,272,942,280,765.28
  5. Step 5: Solve for x
    x = 180,272,942,280,765.28/13,317,758.70
  6. Step 6: Final answer
    x = 13,536,282.37

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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.