Home / 21,192,582.38-31,742,526.83-15,025,871.58

Finding the Fourth Proportional to 21,192,582.38, 31,742,526.83 and 15,025,871.58

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Solution

The fourth proportional to 21,192,582.38, 31,742,526.83 and 15,025,871.58 is: 22,505,946.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192,582.38 : 31,742,526.83 = 15,025,871.58 : x
  2. Step 2: Convert to fraction form
    21,192,582.38/31,742,526.83 = 15,025,871.58/x
  3. Step 3: Cross multiply
    21,192,582.38x = 31,742,526.83 × 15,025,871.58
  4. Step 4: Simplify right side
    21,192,582.38x = 476,959,131,772,284.44
  5. Step 5: Solve for x
    x = 476,959,131,772,284.44/21,192,582.38
  6. Step 6: Final answer
    x = 22,505,946.81

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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.