Home / 18,279,690.42-25,225,431.54-10,019,576.10

Finding the Fourth Proportional to 18,279,690.42, 25,225,431.54 and 10,019,576.10

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Solution

The fourth proportional to 18,279,690.42, 25,225,431.54 and 10,019,576.10 is: 13,826,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279,690.42 : 25,225,431.54 = 10,019,576.10 : x
  2. Step 2: Convert to fraction form
    18,279,690.42/25,225,431.54 = 10,019,576.10/x
  3. Step 3: Cross multiply
    18,279,690.42x = 25,225,431.54 × 10,019,576.10
  4. Step 4: Simplify right side
    18,279,690.42x = 252,748,130,970,370.19
  5. Step 5: Solve for x
    x = 252,748,130,970,370.19/18,279,690.42
  6. Step 6: Final answer
    x = 13,826,718.35

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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.