Home / 14,140,335.80-21,210,368.16-8,378,922.18

Finding the Fourth Proportional to 14,140,335.80, 21,210,368.16 and 8,378,922.18

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Solution

The fourth proportional to 14,140,335.80, 21,210,368.16 and 8,378,922.18 is: 12,568,302.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140,335.80 : 21,210,368.16 = 8,378,922.18 : x
  2. Step 2: Convert to fraction form
    14,140,335.80/21,210,368.16 = 8,378,922.18/x
  3. Step 3: Cross multiply
    14,140,335.80x = 21,210,368.16 × 8,378,922.18
  4. Step 4: Simplify right side
    14,140,335.80x = 177,720,024,221,789.78
  5. Step 5: Solve for x
    x = 177,720,024,221,789.78/14,140,335.80
  6. Step 6: Final answer
    x = 12,568,302.96

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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.