Home / 19,841,739.20-29,762,630.40-7,874,475.20

Finding the Fourth Proportional to 19,841,739.20, 29,762,630.40 and 7,874,475.20

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Solution

The fourth proportional to 19,841,739.20, 29,762,630.40 and 7,874,475.20 is: 11,811,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841,739.20 : 29,762,630.40 = 7,874,475.20 : x
  2. Step 2: Convert to fraction form
    19,841,739.20/29,762,630.40 = 7,874,475.20/x
  3. Step 3: Cross multiply
    19,841,739.20x = 29,762,630.40 × 7,874,475.20
  4. Step 4: Simplify right side
    19,841,739.20x = 234,365,094,971,566.06
  5. Step 5: Solve for x
    x = 234,365,094,971,566.06/19,841,739.20
  6. Step 6: Final answer
    x = 11,811,721.37

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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.