Home / 18,263,143.28-25,196,125.59-10,423,091.16

Finding the Fourth Proportional to 18,263,143.28, 25,196,125.59 and 10,423,091.16

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Solution

The fourth proportional to 18,263,143.28, 25,196,125.59 and 10,423,091.16 is: 14,379,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263,143.28 : 25,196,125.59 = 10,423,091.16 : x
  2. Step 2: Convert to fraction form
    18,263,143.28/25,196,125.59 = 10,423,091.16/x
  3. Step 3: Cross multiply
    18,263,143.28x = 25,196,125.59 × 10,423,091.16
  4. Step 4: Simplify right side
    18,263,143.28x = 262,621,513,903,378.78
  5. Step 5: Solve for x
    x = 262,621,513,903,378.78/18,263,143.28
  6. Step 6: Final answer
    x = 14,379,863.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.