Home / 10,095,982.40-15,143,973.60-8,979,956.30

Finding the Fourth Proportional to 10,095,982.40, 15,143,973.60 and 8,979,956.30

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Solution

The fourth proportional to 10,095,982.40, 15,143,973.60 and 8,979,956.30 is: 13,469,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095,982.40 : 15,143,973.60 = 8,979,956.30 : x
  2. Step 2: Convert to fraction form
    10,095,982.40/15,143,973.60 = 8,979,956.30/x
  3. Step 3: Cross multiply
    10,095,982.40x = 15,143,973.60 × 8,979,956.30
  4. Step 4: Simplify right side
    10,095,982.40x = 135,992,221,136,353.69
  5. Step 5: Solve for x
    x = 135,992,221,136,353.69/10,095,982.40
  6. Step 6: Final answer
    x = 13,469,934.45

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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.