Home / 10,206,389.40-15,274,154.70-9,356,083.80

Finding the Fourth Proportional to 10,206,389.40, 15,274,154.70 and 9,356,083.80

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Solution

The fourth proportional to 10,206,389.40, 15,274,154.70 and 9,356,083.80 is: 14,001,647.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206,389.40 : 15,274,154.70 = 9,356,083.80 : x
  2. Step 2: Convert to fraction form
    10,206,389.40/15,274,154.70 = 9,356,083.80/x
  3. Step 3: Cross multiply
    10,206,389.40x = 15,274,154.70 × 9,356,083.80
  4. Step 4: Simplify right side
    10,206,389.40x = 142,906,271,347,363.88
  5. Step 5: Solve for x
    x = 142,906,271,347,363.88/10,206,389.40
  6. Step 6: Final answer
    x = 14,001,647.96

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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.