Home / 18,466,378-25,484,921-10,206,262.72

Finding the Fourth Proportional to 18,466,378, 25,484,921 and 10,206,262.72

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Solution

The fourth proportional to 18,466,378, 25,484,921 and 10,206,262.72 is: 14,085,371.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466,378 : 25,484,921 = 10,206,262.72 : x
  2. Step 2: Convert to fraction form
    18,466,378/25,484,921 = 10,206,262.72/x
  3. Step 3: Cross multiply
    18,466,378x = 25,484,921 × 10,206,262.72
  4. Step 4: Simplify right side
    18,466,378x = 260,105,799,124,445.12
  5. Step 5: Solve for x
    x = 260,105,799,124,445.12/18,466,378
  6. Step 6: Final answer
    x = 14,085,371.76

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1.5x scale

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.