Home / 21,789,281.80-32,624,940.30-17,070,689.80

Finding the Fourth Proportional to 21,789,281.80, 32,624,940.30 and 17,070,689.80

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Solution

The fourth proportional to 21,789,281.80, 32,624,940.30 and 17,070,689.80 is: 25,559,825.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,789,281.80 : 32,624,940.30 = 17,070,689.80 : x
  2. Step 2: Convert to fraction form
    21,789,281.80/32,624,940.30 = 17,070,689.80/x
  3. Step 3: Cross multiply
    21,789,281.80x = 32,624,940.30 × 17,070,689.80
  4. Step 4: Simplify right side
    21,789,281.80x = 556,930,235,604,819
  5. Step 5: Solve for x
    x = 556,930,235,604,819/21,789,281.80
  6. Step 6: Final answer
    x = 25,559,825.27

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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.