Home / 19,476,619.80-29,214,929.70-18,647,309.40

Finding the Fourth Proportional to 19,476,619.80, 29,214,929.70 and 18,647,309.40

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Solution

The fourth proportional to 19,476,619.80, 29,214,929.70 and 18,647,309.40 is: 27,970,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476,619.80 : 29,214,929.70 = 18,647,309.40 : x
  2. Step 2: Convert to fraction form
    19,476,619.80/29,214,929.70 = 18,647,309.40/x
  3. Step 3: Cross multiply
    19,476,619.80x = 29,214,929.70 × 18,647,309.40
  4. Step 4: Simplify right side
    19,476,619.80x = 544,779,833,215,149.12
  5. Step 5: Solve for x
    x = 544,779,833,215,149.12/19,476,619.80
  6. Step 6: Final answer
    x = 27,970,964.10

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1.5x scale

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.