Home / 13,157,530.74-18,158,073.42-7,576,606.23

Finding the Fourth Proportional to 13,157,530.74, 18,158,073.42 and 7,576,606.23

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Solution

The fourth proportional to 13,157,530.74, 18,158,073.42 and 7,576,606.23 is: 10,456,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157,530.74 : 18,158,073.42 = 7,576,606.23 : x
  2. Step 2: Convert to fraction form
    13,157,530.74/18,158,073.42 = 7,576,606.23/x
  3. Step 3: Cross multiply
    13,157,530.74x = 18,158,073.42 × 7,576,606.23
  4. Step 4: Simplify right side
    13,157,530.74x = 137,576,572,198,769.42
  5. Step 5: Solve for x
    x = 137,576,572,198,769.42/13,157,530.74
  6. Step 6: Final answer
    x = 10,456,108.74

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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.