Home / 13,366,678.80-20,050,018.20-7,704,368.40

Finding the Fourth Proportional to 13,366,678.80, 20,050,018.20 and 7,704,368.40

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Solution

The fourth proportional to 13,366,678.80, 20,050,018.20 and 7,704,368.40 is: 11,556,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,678.80 : 20,050,018.20 = 7,704,368.40 : x
  2. Step 2: Convert to fraction form
    13,366,678.80/20,050,018.20 = 7,704,368.40/x
  3. Step 3: Cross multiply
    13,366,678.80x = 20,050,018.20 × 7,704,368.40
  4. Step 4: Simplify right side
    13,366,678.80x = 154,472,726,639,504.88
  5. Step 5: Solve for x
    x = 154,472,726,639,504.88/13,366,678.80
  6. Step 6: Final answer
    x = 11,556,552.60

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Similar ratio
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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.