Home / 12,860,214.26-19,367,305.04-11,712,301.70

Finding the Fourth Proportional to 12,860,214.26, 19,367,305.04 and 11,712,301.70

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Solution

The fourth proportional to 12,860,214.26, 19,367,305.04 and 11,712,301.70 is: 17,638,564.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860,214.26 : 19,367,305.04 = 11,712,301.70 : x
  2. Step 2: Convert to fraction form
    12,860,214.26/19,367,305.04 = 11,712,301.70/x
  3. Step 3: Cross multiply
    12,860,214.26x = 19,367,305.04 × 11,712,301.70
  4. Step 4: Simplify right side
    12,860,214.26x = 226,835,719,676,854.81
  5. Step 5: Solve for x
    x = 226,835,719,676,854.81/12,860,214.26
  6. Step 6: Final answer
    x = 17,638,564.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.