Home / 13,289,081.80-19,933,622.70-13,037,139.40

Finding the Fourth Proportional to 13,289,081.80, 19,933,622.70 and 13,037,139.40

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Solution

The fourth proportional to 13,289,081.80, 19,933,622.70 and 13,037,139.40 is: 19,555,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289,081.80 : 19,933,622.70 = 13,037,139.40 : x
  2. Step 2: Convert to fraction form
    13,289,081.80/19,933,622.70 = 13,037,139.40/x
  3. Step 3: Cross multiply
    13,289,081.80x = 19,933,622.70 × 13,037,139.40
  4. Step 4: Simplify right side
    13,289,081.80x = 259,877,417,886,904.38
  5. Step 5: Solve for x
    x = 259,877,417,886,904.38/13,289,081.80
  6. Step 6: Final answer
    x = 19,555,709.10

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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.