Home / 19,241,681.43-28,858,913.60-9,654,485.79

Finding the Fourth Proportional to 19,241,681.43, 28,858,913.60 and 9,654,485.79

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Solution

The fourth proportional to 19,241,681.43, 28,858,913.60 and 9,654,485.79 is: 14,479,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241,681.43 : 28,858,913.60 = 9,654,485.79 : x
  2. Step 2: Convert to fraction form
    19,241,681.43/28,858,913.60 = 9,654,485.79/x
  3. Step 3: Cross multiply
    19,241,681.43x = 28,858,913.60 × 9,654,485.79
  4. Step 4: Simplify right side
    19,241,681.43x = 278,617,971,217,765.28
  5. Step 5: Solve for x
    x = 278,617,971,217,765.28/19,241,681.43
  6. Step 6: Final answer
    x = 14,479,918.10

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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.