Home / 15,779,238.40-23,668,857.60-12,942,553.60

Finding the Fourth Proportional to 15,779,238.40, 23,668,857.60 and 12,942,553.60

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Solution

The fourth proportional to 15,779,238.40, 23,668,857.60 and 12,942,553.60 is: 19,413,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,238.40 : 23,668,857.60 = 12,942,553.60 : x
  2. Step 2: Convert to fraction form
    15,779,238.40/23,668,857.60 = 12,942,553.60/x
  3. Step 3: Cross multiply
    15,779,238.40x = 23,668,857.60 × 12,942,553.60
  4. Step 4: Simplify right side
    15,779,238.40x = 306,335,458,138,767.38
  5. Step 5: Solve for x
    x = 306,335,458,138,767.38/15,779,238.40
  6. Step 6: Final answer
    x = 19,413,830.40

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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.