Home / 25,323,761.64-34,946,684.78-13,721,371.28

Finding the Fourth Proportional to 25,323,761.64, 34,946,684.78 and 13,721,371.28

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Solution

The fourth proportional to 25,323,761.64, 34,946,684.78 and 13,721,371.28 is: 18,935,434.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,323,761.64 : 34,946,684.78 = 13,721,371.28 : x
  2. Step 2: Convert to fraction form
    25,323,761.64/34,946,684.78 = 13,721,371.28/x
  3. Step 3: Cross multiply
    25,323,761.64x = 34,946,684.78 × 13,721,371.28
  4. Step 4: Simplify right side
    25,323,761.64x = 479,516,436,628,164.81
  5. Step 5: Solve for x
    x = 479,516,436,628,164.81/25,323,761.64
  6. Step 6: Final answer
    x = 18,935,434.77

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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.