Home / 18,709,216.20-28,042,829.10-10,626,064.20

Finding the Fourth Proportional to 18,709,216.20, 28,042,829.10 and 10,626,064.20

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Solution

The fourth proportional to 18,709,216.20, 28,042,829.10 and 10,626,064.20 is: 15,927,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709,216.20 : 28,042,829.10 = 10,626,064.20 : x
  2. Step 2: Convert to fraction form
    18,709,216.20/28,042,829.10 = 10,626,064.20/x
  3. Step 3: Cross multiply
    18,709,216.20x = 28,042,829.10 × 10,626,064.20
  4. Step 4: Simplify right side
    18,709,216.20x = 297,984,902,366,228.19
  5. Step 5: Solve for x
    x = 297,984,902,366,228.19/18,709,216.20
  6. Step 6: Final answer
    x = 15,927,171.89

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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.