Home / 19,920,284.70-29,856,807.45-17,888,999.10

Finding the Fourth Proportional to 19,920,284.70, 29,856,807.45 and 17,888,999.10

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Solution

The fourth proportional to 19,920,284.70, 29,856,807.45 and 17,888,999.10 is: 26,812,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,920,284.70 : 29,856,807.45 = 17,888,999.10 : x
  2. Step 2: Convert to fraction form
    19,920,284.70/29,856,807.45 = 17,888,999.10/x
  3. Step 3: Cross multiply
    19,920,284.70x = 29,856,807.45 × 17,888,999.10
  4. Step 4: Simplify right side
    19,920,284.70x = 534,108,401,601,923.31
  5. Step 5: Solve for x
    x = 534,108,401,601,923.31/19,920,284.70
  6. Step 6: Final answer
    x = 26,812,287.56

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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.