Home / 12,993,422.40-19,434,837.60-11,655,259.20

Finding the Fourth Proportional to 12,993,422.40, 19,434,837.60 and 11,655,259.20

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Solution

The fourth proportional to 12,993,422.40, 19,434,837.60 and 11,655,259.20 is: 17,433,287.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,993,422.40 : 19,434,837.60 = 11,655,259.20 : x
  2. Step 2: Convert to fraction form
    12,993,422.40/19,434,837.60 = 11,655,259.20/x
  3. Step 3: Cross multiply
    12,993,422.40x = 19,434,837.60 × 11,655,259.20
  4. Step 4: Simplify right side
    12,993,422.40x = 226,518,069,737,905.94
  5. Step 5: Solve for x
    x = 226,518,069,737,905.94/12,993,422.40
  6. Step 6: Final answer
    x = 17,433,287.61

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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.