Home / 28,002,490.40-42,008,401.20-10,963,719.20

Finding the Fourth Proportional to 28,002,490.40, 42,008,401.20 and 10,963,719.20

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Solution

The fourth proportional to 28,002,490.40, 42,008,401.20 and 10,963,719.20 is: 16,447,405.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002,490.40 : 42,008,401.20 = 10,963,719.20 : x
  2. Step 2: Convert to fraction form
    28,002,490.40/42,008,401.20 = 10,963,719.20/x
  3. Step 3: Cross multiply
    28,002,490.40x = 42,008,401.20 × 10,963,719.20
  4. Step 4: Simplify right side
    28,002,490.40x = 460,568,314,797,743.06
  5. Step 5: Solve for x
    x = 460,568,314,797,743.06/28,002,490.40
  6. Step 6: Final answer
    x = 16,447,405.51

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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.