Home / 20,222,526.30-30,333,789.45-7,440,386.10

Finding the Fourth Proportional to 20,222,526.30, 30,333,789.45 and 7,440,386.10

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Solution

The fourth proportional to 20,222,526.30, 30,333,789.45 and 7,440,386.10 is: 11,160,579.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,222,526.30 : 30,333,789.45 = 7,440,386.10 : x
  2. Step 2: Convert to fraction form
    20,222,526.30/30,333,789.45 = 7,440,386.10/x
  3. Step 3: Cross multiply
    20,222,526.30x = 30,333,789.45 × 7,440,386.10
  4. Step 4: Simplify right side
    20,222,526.30x = 225,695,105,384,106.62
  5. Step 5: Solve for x
    x = 225,695,105,384,106.62/20,222,526.30
  6. Step 6: Final answer
    x = 11,160,579.15

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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.