Home / 19,928,330.10-29,883,637.80-7,793,760.60

Finding the Fourth Proportional to 19,928,330.10, 29,883,637.80 and 7,793,760.60

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Solution

The fourth proportional to 19,928,330.10, 29,883,637.80 and 7,793,760.60 is: 11,687,176.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,330.10 : 29,883,637.80 = 7,793,760.60 : x
  2. Step 2: Convert to fraction form
    19,928,330.10/29,883,637.80 = 7,793,760.60/x
  3. Step 3: Cross multiply
    19,928,330.10x = 29,883,637.80 × 7,793,760.60
  4. Step 4: Simplify right side
    19,928,330.10x = 232,905,918,870,310.69
  5. Step 5: Solve for x
    x = 232,905,918,870,310.69/19,928,330.10
  6. Step 6: Final answer
    x = 11,687,176.88

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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.