Home / 12,484,480.07-18,726,632.61-6,420,902.28

Finding the Fourth Proportional to 12,484,480.07, 18,726,632.61 and 6,420,902.28

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Solution

The fourth proportional to 12,484,480.07, 18,726,632.61 and 6,420,902.28 is: 9,631,308.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484,480.07 : 18,726,632.61 = 6,420,902.28 : x
  2. Step 2: Convert to fraction form
    12,484,480.07/18,726,632.61 = 6,420,902.28/x
  3. Step 3: Cross multiply
    12,484,480.07x = 18,726,632.61 × 6,420,902.28
  4. Step 4: Simplify right side
    12,484,480.07x = 120,241,878,022,271.36
  5. Step 5: Solve for x
    x = 120,241,878,022,271.36/12,484,480.07
  6. Step 6: Final answer
    x = 9,631,308.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.