Home / 19,155,676.40-28,747,511.40-13,486,972.40

Finding the Fourth Proportional to 19,155,676.40, 28,747,511.40 and 13,486,972.40

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Solution

The fourth proportional to 19,155,676.40, 28,747,511.40 and 13,486,972.40 is: 20,240,313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155,676.40 : 28,747,511.40 = 13,486,972.40 : x
  2. Step 2: Convert to fraction form
    19,155,676.40/28,747,511.40 = 13,486,972.40/x
  3. Step 3: Cross multiply
    19,155,676.40x = 28,747,511.40 × 13,486,972.40
  4. Step 4: Simplify right side
    19,155,676.40x = 387,716,892,820,485.38
  5. Step 5: Solve for x
    x = 387,716,892,820,485.38/19,155,676.40
  6. Step 6: Final answer
    x = 20,240,313.35

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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.