Home / 28,391,344.36-42,617,325.66-12,225,299.56

Finding the Fourth Proportional to 28,391,344.36, 42,617,325.66 and 12,225,299.56

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Solution

The fourth proportional to 28,391,344.36, 42,617,325.66 and 12,225,299.56 is: 18,351,000.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,391,344.36 : 42,617,325.66 = 12,225,299.56 : x
  2. Step 2: Convert to fraction form
    28,391,344.36/42,617,325.66 = 12,225,299.56/x
  3. Step 3: Cross multiply
    28,391,344.36x = 42,617,325.66 × 12,225,299.56
  4. Step 4: Simplify right side
    28,391,344.36x = 521,009,572,639,574.69
  5. Step 5: Solve for x
    x = 521,009,572,639,574.69/28,391,344.36
  6. Step 6: Final answer
    x = 18,351,000.43

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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.