Home / 13,289,321.10-19,933,981.65-13,205,340.30

Finding the Fourth Proportional to 13,289,321.10, 19,933,981.65 and 13,205,340.30

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Solution

The fourth proportional to 13,289,321.10, 19,933,981.65 and 13,205,340.30 is: 19,808,010.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289,321.10 : 19,933,981.65 = 13,205,340.30 : x
  2. Step 2: Convert to fraction form
    13,289,321.10/19,933,981.65 = 13,205,340.30/x
  3. Step 3: Cross multiply
    13,289,321.10x = 19,933,981.65 × 13,205,340.30
  4. Step 4: Simplify right side
    13,289,321.10x = 263,235,011,222,205.50
  5. Step 5: Solve for x
    x = 263,235,011,222,205.50/13,289,321.10
  6. Step 6: Final answer
    x = 19,808,010.45

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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.