Home / 12,425,864.70-18,621,301.05-9,871,448.70

Finding the Fourth Proportional to 12,425,864.70, 18,621,301.05 and 9,871,448.70

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Solution

The fourth proportional to 12,425,864.70, 18,621,301.05 and 9,871,448.70 is: 14,793,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425,864.70 : 18,621,301.05 = 9,871,448.70 : x
  2. Step 2: Convert to fraction form
    12,425,864.70/18,621,301.05 = 9,871,448.70/x
  3. Step 3: Cross multiply
    12,425,864.70x = 18,621,301.05 × 9,871,448.70
  4. Step 4: Simplify right side
    12,425,864.70x = 183,819,218,042,331.12
  5. Step 5: Solve for x
    x = 183,819,218,042,331.12/12,425,864.70
  6. Step 6: Final answer
    x = 14,793,273.75

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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.