Home / 13,366,677.80-20,050,016.70-7,704,367.40

Finding the Fourth Proportional to 13,366,677.80, 20,050,016.70 and 7,704,367.40

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Solution

The fourth proportional to 13,366,677.80, 20,050,016.70 and 7,704,367.40 is: 11,556,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,677.80 : 20,050,016.70 = 7,704,367.40 : x
  2. Step 2: Convert to fraction form
    13,366,677.80/20,050,016.70 = 7,704,367.40/x
  3. Step 3: Cross multiply
    13,366,677.80x = 20,050,016.70 × 7,704,367.40
  4. Step 4: Simplify right side
    13,366,677.80x = 154,472,695,032,935.59
  5. Step 5: Solve for x
    x = 154,472,695,032,935.59/13,366,677.80
  6. Step 6: Final answer
    x = 11,556,551.10

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1.5x scale

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.