Home / 13,386,816.78-18,473,949.63-7,275,245.10

Finding the Fourth Proportional to 13,386,816.78, 18,473,949.63 and 7,275,245.10

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Solution

The fourth proportional to 13,386,816.78, 18,473,949.63 and 7,275,245.10 is: 10,039,915.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386,816.78 : 18,473,949.63 = 7,275,245.10 : x
  2. Step 2: Convert to fraction form
    13,386,816.78/18,473,949.63 = 7,275,245.10/x
  3. Step 3: Cross multiply
    13,386,816.78x = 18,473,949.63 × 7,275,245.10
  4. Step 4: Simplify right side
    13,386,816.78x = 134,402,511,523,304.30
  5. Step 5: Solve for x
    x = 134,402,511,523,304.30/13,386,816.78
  6. Step 6: Final answer
    x = 10,039,915.67

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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.