Home / 18,601,389-25,672,322.34-10,452,627.72

Finding the Fourth Proportional to 18,601,389, 25,672,322.34 and 10,452,627.72

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Solution

The fourth proportional to 18,601,389, 25,672,322.34 and 10,452,627.72 is: 14,425,977.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601,389 : 25,672,322.34 = 10,452,627.72 : x
  2. Step 2: Convert to fraction form
    18,601,389/25,672,322.34 = 10,452,627.72/x
  3. Step 3: Cross multiply
    18,601,389x = 25,672,322.34 × 10,452,627.72
  4. Step 4: Simplify right side
    18,601,389x = 268,343,228,127,859.28
  5. Step 5: Solve for x
    x = 268,343,228,127,859.28/18,601,389
  6. Step 6: Final answer
    x = 14,425,977.98

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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.