Home / 13,639,281.56-20,464,915.44-7,160,851.55

Finding the Fourth Proportional to 13,639,281.56, 20,464,915.44 and 7,160,851.55

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Solution

The fourth proportional to 13,639,281.56, 20,464,915.44 and 7,160,851.55 is: 10,744,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,639,281.56 : 20,464,915.44 = 7,160,851.55 : x
  2. Step 2: Convert to fraction form
    13,639,281.56/20,464,915.44 = 7,160,851.55/x
  3. Step 3: Cross multiply
    13,639,281.56x = 20,464,915.44 × 7,160,851.55
  4. Step 4: Simplify right side
    13,639,281.56x = 146,546,221,346,818.38
  5. Step 5: Solve for x
    x = 146,546,221,346,818.38/13,639,281.56
  6. Step 6: Final answer
    x = 10,744,423.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.