Home / 20,342,295-28,072,873.40-11,049,862.41

Finding the Fourth Proportional to 20,342,295, 28,072,873.40 and 11,049,862.41

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Solution

The fourth proportional to 20,342,295, 28,072,873.40 and 11,049,862.41 is: 15,249,085.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342,295 : 28,072,873.40 = 11,049,862.41 : x
  2. Step 2: Convert to fraction form
    20,342,295/28,072,873.40 = 11,049,862.41/x
  3. Step 3: Cross multiply
    20,342,295x = 28,072,873.40 × 11,049,862.41
  4. Step 4: Simplify right side
    20,342,295x = 310,201,388,468,099.56
  5. Step 5: Solve for x
    x = 310,201,388,468,099.56/20,342,295
  6. Step 6: Final answer
    x = 15,249,085.14

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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.