Home / 18,125,115.66-25,012,763.64-9,865,158.26

Finding the Fourth Proportional to 18,125,115.66, 25,012,763.64 and 9,865,158.26

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Solution

The fourth proportional to 18,125,115.66, 25,012,763.64 and 9,865,158.26 is: 13,613,975.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125,115.66 : 25,012,763.64 = 9,865,158.26 : x
  2. Step 2: Convert to fraction form
    18,125,115.66/25,012,763.64 = 9,865,158.26/x
  3. Step 3: Cross multiply
    18,125,115.66x = 25,012,763.64 × 9,865,158.26
  4. Step 4: Simplify right side
    18,125,115.66x = 246,754,871,703,509.88
  5. Step 5: Solve for x
    x = 246,754,871,703,509.88/18,125,115.66
  6. Step 6: Final answer
    x = 13,613,975.01

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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.