Home / 18,263,754.70-25,202,688.54-10,421,429.34

Finding the Fourth Proportional to 18,263,754.70, 25,202,688.54 and 10,421,429.34

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Solution

The fourth proportional to 18,263,754.70, 25,202,688.54 and 10,421,429.34 is: 14,380,834.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263,754.70 : 25,202,688.54 = 10,421,429.34 : x
  2. Step 2: Convert to fraction form
    18,263,754.70/25,202,688.54 = 10,421,429.34/x
  3. Step 3: Cross multiply
    18,263,754.70x = 25,202,688.54 × 10,421,429.34
  4. Step 4: Simplify right side
    18,263,754.70x = 262,648,037,797,637.75
  5. Step 5: Solve for x
    x = 262,648,037,797,637.75/18,263,754.70
  6. Step 6: Final answer
    x = 14,380,834.72

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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.