Home / 19,008,311.10-28,456,479.45-17,901,008.70

Finding the Fourth Proportional to 19,008,311.10, 28,456,479.45 and 17,901,008.70

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Solution

The fourth proportional to 19,008,311.10, 28,456,479.45 and 17,901,008.70 is: 26,798,787.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,311.10 : 28,456,479.45 = 17,901,008.70 : x
  2. Step 2: Convert to fraction form
    19,008,311.10/28,456,479.45 = 17,901,008.70/x
  3. Step 3: Cross multiply
    19,008,311.10x = 28,456,479.45 × 17,901,008.70
  4. Step 4: Simplify right side
    19,008,311.10x = 509,399,686,205,821.19
  5. Step 5: Solve for x
    x = 509,399,686,205,821.19/19,008,311.10
  6. Step 6: Final answer
    x = 26,798,787.31

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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.