Home / 19,578,645.20-29,339,974.20-14,420,824.40

Finding the Fourth Proportional to 19,578,645.20, 29,339,974.20 and 14,420,824.40

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Solution

The fourth proportional to 19,578,645.20, 29,339,974.20 and 14,420,824.40 is: 21,610,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578,645.20 : 29,339,974.20 = 14,420,824.40 : x
  2. Step 2: Convert to fraction form
    19,578,645.20/29,339,974.20 = 14,420,824.40/x
  3. Step 3: Cross multiply
    19,578,645.20x = 29,339,974.20 × 14,420,824.40
  4. Step 4: Simplify right side
    19,578,645.20x = 423,106,615,838,730.50
  5. Step 5: Solve for x
    x = 423,106,615,838,730.50/19,578,645.20
  6. Step 6: Final answer
    x = 21,610,617.67

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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.