Home / 29,103,222.52-40,162,486.92-15,872,431.40

Finding the Fourth Proportional to 29,103,222.52, 40,162,486.92 and 15,872,431.40

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Solution

The fourth proportional to 29,103,222.52, 40,162,486.92 and 15,872,431.40 is: 21,903,977.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,103,222.52 : 40,162,486.92 = 15,872,431.40 : x
  2. Step 2: Convert to fraction form
    29,103,222.52/40,162,486.92 = 15,872,431.40/x
  3. Step 3: Cross multiply
    29,103,222.52x = 40,162,486.92 × 15,872,431.40
  4. Step 4: Simplify right side
    29,103,222.52x = 637,476,318,491,097.38
  5. Step 5: Solve for x
    x = 637,476,318,491,097.38/29,103,222.52
  6. Step 6: Final answer
    x = 21,903,977.06

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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.