Home / 11,431,005.83-15,787,880.30-7,528,208.34

Finding the Fourth Proportional to 11,431,005.83, 15,787,880.30 and 7,528,208.34

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Solution

The fourth proportional to 11,431,005.83, 15,787,880.30 and 7,528,208.34 is: 10,397,549.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,431,005.83 : 15,787,880.30 = 7,528,208.34 : x
  2. Step 2: Convert to fraction form
    11,431,005.83/15,787,880.30 = 7,528,208.34/x
  3. Step 3: Cross multiply
    11,431,005.83x = 15,787,880.30 × 7,528,208.34
  4. Step 4: Simplify right side
    11,431,005.83x = 118,854,452,223,406.78
  5. Step 5: Solve for x
    x = 118,854,452,223,406.78/11,431,005.83
  6. Step 6: Final answer
    x = 10,397,549.79

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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.