Home / 15,431,013.60-23,147,782.56-7,750,709.28

Finding the Fourth Proportional to 15,431,013.60, 23,147,782.56 and 7,750,709.28

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Solution

The fourth proportional to 15,431,013.60, 23,147,782.56 and 7,750,709.28 is: 11,626,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,431,013.60 : 23,147,782.56 = 7,750,709.28 : x
  2. Step 2: Convert to fraction form
    15,431,013.60/23,147,782.56 = 7,750,709.28/x
  3. Step 3: Cross multiply
    15,431,013.60x = 23,147,782.56 × 7,750,709.28
  4. Step 4: Simplify right side
    15,431,013.60x = 179,411,733,099,214.16
  5. Step 5: Solve for x
    x = 179,411,733,099,214.16/15,431,013.60
  6. Step 6: Final answer
    x = 11,626,697.88

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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.