Home / 27,858,810.45-38,445,158.33-15,635,667.45

Finding the Fourth Proportional to 27,858,810.45, 38,445,158.33 and 15,635,667.45

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Solution

The fourth proportional to 27,858,810.45, 38,445,158.33 and 15,635,667.45 is: 21,577,221.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,858,810.45 : 38,445,158.33 = 15,635,667.45 : x
  2. Step 2: Convert to fraction form
    27,858,810.45/38,445,158.33 = 15,635,667.45/x
  3. Step 3: Cross multiply
    27,858,810.45x = 38,445,158.33 × 15,635,667.45
  4. Step 4: Simplify right side
    27,858,810.45x = 601,115,710,710,477.25
  5. Step 5: Solve for x
    x = 601,115,710,710,477.25/27,858,810.45
  6. Step 6: Final answer
    x = 21,577,221.03

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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.