Home / 15,862,800.20-21,890,802.90-8,619,456.20

Finding the Fourth Proportional to 15,862,800.20, 21,890,802.90 and 8,619,456.20

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Solution

The fourth proportional to 15,862,800.20, 21,890,802.90 and 8,619,456.20 is: 11,894,924.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,862,800.20 : 21,890,802.90 = 8,619,456.20 : x
  2. Step 2: Convert to fraction form
    15,862,800.20/21,890,802.90 = 8,619,456.20/x
  3. Step 3: Cross multiply
    15,862,800.20x = 21,890,802.90 × 8,619,456.20
  4. Step 4: Simplify right side
    15,862,800.20x = 188,686,816,779,382.94
  5. Step 5: Solve for x
    x = 188,686,816,779,382.94/15,862,800.20
  6. Step 6: Final answer
    x = 11,894,924.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.