Home / 20,411,205.12-30,620,574.72-8,444,874.24

Finding the Fourth Proportional to 20,411,205.12, 30,620,574.72 and 8,444,874.24

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Solution

The fourth proportional to 20,411,205.12, 30,620,574.72 and 8,444,874.24 is: 12,668,869.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,411,205.12 : 30,620,574.72 = 8,444,874.24 : x
  2. Step 2: Convert to fraction form
    20,411,205.12/30,620,574.72 = 8,444,874.24/x
  3. Step 3: Cross multiply
    20,411,205.12x = 30,620,574.72 × 8,444,874.24
  4. Step 4: Simplify right side
    20,411,205.12x = 258,586,902,666,923.22
  5. Step 5: Solve for x
    x = 258,586,902,666,923.22/20,411,205.12
  6. Step 6: Final answer
    x = 12,668,869.92

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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.