Home / 12,669,731.55-17,484,367.21-7,442,960.01

Finding the Fourth Proportional to 12,669,731.55, 17,484,367.21 and 7,442,960.01

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Solution

The fourth proportional to 12,669,731.55, 17,484,367.21 and 7,442,960.01 is: 10,271,365.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,669,731.55 : 17,484,367.21 = 7,442,960.01 : x
  2. Step 2: Convert to fraction form
    12,669,731.55/17,484,367.21 = 7,442,960.01/x
  3. Step 3: Cross multiply
    12,669,731.55x = 17,484,367.21 × 7,442,960.01
  4. Step 4: Simplify right side
    12,669,731.55x = 130,135,445,906,970.45
  5. Step 5: Solve for x
    x = 130,135,445,906,970.45/12,669,731.55
  6. Step 6: Final answer
    x = 10,271,365.69

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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.