Home / 29,159,624.64-40,239,367.69-15,928,589.02

Finding the Fourth Proportional to 29,159,624.64, 40,239,367.69 and 15,928,589.02

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Solution

The fourth proportional to 29,159,624.64, 40,239,367.69 and 15,928,589.02 is: 21,980,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,159,624.64 : 40,239,367.69 = 15,928,589.02 : x
  2. Step 2: Convert to fraction form
    29,159,624.64/40,239,367.69 = 15,928,589.02/x
  3. Step 3: Cross multiply
    29,159,624.64x = 40,239,367.69 × 15,928,589.02
  4. Step 4: Simplify right side
    29,159,624.64x = 640,956,350,481,500.12
  5. Step 5: Solve for x
    x = 640,956,350,481,500.12/29,159,624.64
  6. Step 6: Final answer
    x = 21,980,953.40

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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.