Home / 19,009,854.20-28,514,781.30-17,890,110.20

Finding the Fourth Proportional to 19,009,854.20, 28,514,781.30 and 17,890,110.20

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Solution

The fourth proportional to 19,009,854.20, 28,514,781.30 and 17,890,110.20 is: 26,835,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009,854.20 : 28,514,781.30 = 17,890,110.20 : x
  2. Step 2: Convert to fraction form
    19,009,854.20/28,514,781.30 = 17,890,110.20/x
  3. Step 3: Cross multiply
    19,009,854.20x = 28,514,781.30 × 17,890,110.20
  4. Step 4: Simplify right side
    19,009,854.20x = 510,132,579,785,899.25
  5. Step 5: Solve for x
    x = 510,132,579,785,899.25/19,009,854.20
  6. Step 6: Final answer
    x = 26,835,165.30

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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.