Home / 13,462,981.44-18,576,467.28-7,957,281.84

Finding the Fourth Proportional to 13,462,981.44, 18,576,467.28 and 7,957,281.84

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Solution

The fourth proportional to 13,462,981.44, 18,576,467.28 and 7,957,281.84 is: 10,979,602.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462,981.44 : 18,576,467.28 = 7,957,281.84 : x
  2. Step 2: Convert to fraction form
    13,462,981.44/18,576,467.28 = 7,957,281.84/x
  3. Step 3: Cross multiply
    13,462,981.44x = 18,576,467.28 × 7,957,281.84
  4. Step 4: Simplify right side
    13,462,981.44x = 147,818,185,738,498.19
  5. Step 5: Solve for x
    x = 147,818,185,738,498.19/13,462,981.44
  6. Step 6: Final answer
    x = 10,979,602.58

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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.