Home / 19,926,007.80-29,889,011.70-18,130,918.20

Finding the Fourth Proportional to 19,926,007.80, 29,889,011.70 and 18,130,918.20

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Solution

The fourth proportional to 19,926,007.80, 29,889,011.70 and 18,130,918.20 is: 27,196,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926,007.80 : 29,889,011.70 = 18,130,918.20 : x
  2. Step 2: Convert to fraction form
    19,926,007.80/29,889,011.70 = 18,130,918.20/x
  3. Step 3: Cross multiply
    19,926,007.80x = 29,889,011.70 × 18,130,918.20
  4. Step 4: Simplify right side
    19,926,007.80x = 541,915,226,211,542.88
  5. Step 5: Solve for x
    x = 541,915,226,211,542.88/19,926,007.80
  6. Step 6: Final answer
    x = 27,196,377.30

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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.