Home / 11,143,808.88-15,371,630.18-7,371,824.64

Finding the Fourth Proportional to 11,143,808.88, 15,371,630.18 and 7,371,824.64

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Solution

The fourth proportional to 11,143,808.88, 15,371,630.18 and 7,371,824.64 is: 10,168,602.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,143,808.88 : 15,371,630.18 = 7,371,824.64 : x
  2. Step 2: Convert to fraction form
    11,143,808.88/15,371,630.18 = 7,371,824.64/x
  3. Step 3: Cross multiply
    11,143,808.88x = 15,371,630.18 × 7,371,824.64
  4. Step 4: Simplify right side
    11,143,808.88x = 113,316,962,117,891.62
  5. Step 5: Solve for x
    x = 113,316,962,117,891.62/11,143,808.88
  6. Step 6: Final answer
    x = 10,168,602.44

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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.