Home / 12,468,420.67-17,196,951.81-10,729,004.95

Finding the Fourth Proportional to 12,468,420.67, 17,196,951.81 and 10,729,004.95

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Solution

The fourth proportional to 12,468,420.67, 17,196,951.81 and 10,729,004.95 is: 14,797,879.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468,420.67 : 17,196,951.81 = 10,729,004.95 : x
  2. Step 2: Convert to fraction form
    12,468,420.67/17,196,951.81 = 10,729,004.95/x
  3. Step 3: Cross multiply
    12,468,420.67x = 17,196,951.81 × 10,729,004.95
  4. Step 4: Simplify right side
    12,468,420.67x = 184,506,181,094,401.44
  5. Step 5: Solve for x
    x = 184,506,181,094,401.44/12,468,420.67
  6. Step 6: Final answer
    x = 14,797,879.06

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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.