Home / 23,193,118.80-34,789,678.20-21,870,421.20

Finding the Fourth Proportional to 23,193,118.80, 34,789,678.20 and 21,870,421.20

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Solution

The fourth proportional to 23,193,118.80, 34,789,678.20 and 21,870,421.20 is: 32,805,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,193,118.80 : 34,789,678.20 = 21,870,421.20 : x
  2. Step 2: Convert to fraction form
    23,193,118.80/34,789,678.20 = 21,870,421.20/x
  3. Step 3: Cross multiply
    23,193,118.80x = 34,789,678.20 × 21,870,421.20
  4. Step 4: Simplify right side
    23,193,118.80x = 760,864,915,646,457.88
  5. Step 5: Solve for x
    x = 760,864,915,646,457.88/23,193,118.80
  6. Step 6: Final answer
    x = 32,805,631.80

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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.