Home / 13,325,403.06-18,389,097.63-7,213,816.98

Finding the Fourth Proportional to 13,325,403.06, 18,389,097.63 and 7,213,816.98

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Solution

The fourth proportional to 13,325,403.06, 18,389,097.63 and 7,213,816.98 is: 9,955,089.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325,403.06 : 18,389,097.63 = 7,213,816.98 : x
  2. Step 2: Convert to fraction form
    13,325,403.06/18,389,097.63 = 7,213,816.98/x
  3. Step 3: Cross multiply
    13,325,403.06x = 18,389,097.63 × 7,213,816.98
  4. Step 4: Simplify right side
    13,325,403.06x = 132,655,584,730,171.77
  5. Step 5: Solve for x
    x = 132,655,584,730,171.77/13,325,403.06
  6. Step 6: Final answer
    x = 9,955,089.85

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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.