Home / 11,431,009.17-15,787,884.96-7,528,211.69

Finding the Fourth Proportional to 11,431,009.17, 15,787,884.96 and 7,528,211.69

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Solution

The fourth proportional to 11,431,009.17, 15,787,884.96 and 7,528,211.69 is: 10,397,554.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,431,009.17 : 15,787,884.96 = 7,528,211.69 : x
  2. Step 2: Convert to fraction form
    11,431,009.17/15,787,884.96 = 7,528,211.69/x
  3. Step 3: Cross multiply
    11,431,009.17x = 15,787,884.96 × 7,528,211.69
  4. Step 4: Simplify right side
    11,431,009.17x = 118,854,540,037,307.77
  5. Step 5: Solve for x
    x = 118,854,540,037,307.77/11,431,009.17
  6. Step 6: Final answer
    x = 10,397,554.43

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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.