Home / 20,263,115.71-27,963,059.52-10,970,683.24

Finding the Fourth Proportional to 20,263,115.71, 27,963,059.52 and 10,970,683.24

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Solution

The fourth proportional to 20,263,115.71, 27,963,059.52 and 10,970,683.24 is: 15,139,521.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263,115.71 : 27,963,059.52 = 10,970,683.24 : x
  2. Step 2: Convert to fraction form
    20,263,115.71/27,963,059.52 = 10,970,683.24/x
  3. Step 3: Cross multiply
    20,263,115.71x = 27,963,059.52 × 10,970,683.24
  4. Step 4: Simplify right side
    20,263,115.71x = 306,773,868,415,186.44
  5. Step 5: Solve for x
    x = 306,773,868,415,186.44/20,263,115.71
  6. Step 6: Final answer
    x = 15,139,521.13

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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.