Home / 19,422,986.40-29,134,479.60-8,071,581.60

Finding the Fourth Proportional to 19,422,986.40, 29,134,479.60 and 8,071,581.60

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Solution

The fourth proportional to 19,422,986.40, 29,134,479.60 and 8,071,581.60 is: 12,107,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422,986.40 : 29,134,479.60 = 8,071,581.60 : x
  2. Step 2: Convert to fraction form
    19,422,986.40/29,134,479.60 = 8,071,581.60/x
  3. Step 3: Cross multiply
    19,422,986.40x = 29,134,479.60 × 8,071,581.60
  4. Step 4: Simplify right side
    19,422,986.40x = 235,161,329,464,935.38
  5. Step 5: Solve for x
    x = 235,161,329,464,935.38/19,422,986.40
  6. Step 6: Final answer
    x = 12,107,372.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.