Home / 26,465,430.40-39,698,145.60-19,998,908.80

Finding the Fourth Proportional to 26,465,430.40, 39,698,145.60 and 19,998,908.80

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Solution

The fourth proportional to 26,465,430.40, 39,698,145.60 and 19,998,908.80 is: 29,998,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,465,430.40 : 39,698,145.60 = 19,998,908.80 : x
  2. Step 2: Convert to fraction form
    26,465,430.40/39,698,145.60 = 19,998,908.80/x
  3. Step 3: Cross multiply
    26,465,430.40x = 39,698,145.60 × 19,998,908.80
  4. Step 4: Simplify right side
    26,465,430.40x = 793,919,593,383,521.38
  5. Step 5: Solve for x
    x = 793,919,593,383,521.38/26,465,430.40
  6. Step 6: Final answer
    x = 29,998,363.20

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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.