Home / 19,520,345.25-26,938,078.96-10,819,079.61

Finding the Fourth Proportional to 19,520,345.25, 26,938,078.96 and 10,819,079.61

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Solution

The fourth proportional to 19,520,345.25, 26,938,078.96 and 10,819,079.61 is: 14,930,331.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520,345.25 : 26,938,078.96 = 10,819,079.61 : x
  2. Step 2: Convert to fraction form
    19,520,345.25/26,938,078.96 = 10,819,079.61/x
  3. Step 3: Cross multiply
    19,520,345.25x = 26,938,078.96 × 10,819,079.61
  4. Step 4: Simplify right side
    19,520,345.25x = 291,445,220,902,961.88
  5. Step 5: Solve for x
    x = 291,445,220,902,961.88/19,520,345.25
  6. Step 6: Final answer
    x = 14,930,331.26

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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.