Home / 19,398,678.83-29,098,705.64-4,825,674.20

Finding the Fourth Proportional to 19,398,678.83, 29,098,705.64 and 4,825,674.20

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Solution

The fourth proportional to 19,398,678.83, 29,098,705.64 and 4,825,674.20 is: 7,238,682.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398,678.83 : 29,098,705.64 = 4,825,674.20 : x
  2. Step 2: Convert to fraction form
    19,398,678.83/29,098,705.64 = 4,825,674.20/x
  3. Step 3: Cross multiply
    19,398,678.83x = 29,098,705.64 × 4,825,674.20
  4. Step 4: Simplify right side
    19,398,678.83x = 140,420,872,890,720.61
  5. Step 5: Solve for x
    x = 140,420,872,890,720.61/19,398,678.83
  6. Step 6: Final answer
    x = 7,238,682.29

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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.