Home / 27,893,054.08-38,493,405.12-15,503,397.76

Finding the Fourth Proportional to 27,893,054.08, 38,493,405.12 and 15,503,397.76

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Solution

The fourth proportional to 27,893,054.08, 38,493,405.12 and 15,503,397.76 is: 21,395,239.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,893,054.08 : 38,493,405.12 = 15,503,397.76 : x
  2. Step 2: Convert to fraction form
    27,893,054.08/38,493,405.12 = 15,503,397.76/x
  3. Step 3: Cross multiply
    27,893,054.08x = 38,493,405.12 × 15,503,397.76
  4. Step 4: Simplify right side
    27,893,054.08x = 596,778,570,712,180.50
  5. Step 5: Solve for x
    x = 596,778,570,712,180.50/27,893,054.08
  6. Step 6: Final answer
    x = 21,395,239.44

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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.