Home / 39,169,897.29-54,054,948.10-21,530,725.68

Finding the Fourth Proportional to 39,169,897.29, 54,054,948.10 and 21,530,725.68

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Solution

The fourth proportional to 39,169,897.29, 54,054,948.10 and 21,530,725.68 is: 29,712,670.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,169,897.29 : 54,054,948.10 = 21,530,725.68 : x
  2. Step 2: Convert to fraction form
    39,169,897.29/54,054,948.10 = 21,530,725.68/x
  3. Step 3: Cross multiply
    39,169,897.29x = 54,054,948.10 × 21,530,725.68
  4. Step 4: Simplify right side
    39,169,897.29x = 1,163,842,259,103,221.25
  5. Step 5: Solve for x
    x = 1,163,842,259,103,221.25/39,169,897.29
  6. Step 6: Final answer
    x = 29,712,670.69

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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.