Home / 18,685,040.58-25,785,320.19-10,424,611.32

Finding the Fourth Proportional to 18,685,040.58, 25,785,320.19 and 10,424,611.32

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Solution

The fourth proportional to 18,685,040.58, 25,785,320.19 and 10,424,611.32 is: 14,385,943.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685,040.58 : 25,785,320.19 = 10,424,611.32 : x
  2. Step 2: Convert to fraction form
    18,685,040.58/25,785,320.19 = 10,424,611.32/x
  3. Step 3: Cross multiply
    18,685,040.58x = 25,785,320.19 × 10,424,611.32
  4. Step 4: Simplify right side
    18,685,040.58x = 268,801,940,742,498.56
  5. Step 5: Solve for x
    x = 268,801,940,742,498.56/18,685,040.58
  6. Step 6: Final answer
    x = 14,385,943.64

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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.