Home / 27,985,886.57-38,619,998.81-15,595,707.35

Finding the Fourth Proportional to 27,985,886.57, 38,619,998.81 and 15,595,707.35

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Solution

The fourth proportional to 27,985,886.57, 38,619,998.81 and 15,595,707.35 is: 21,521,783.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,985,886.57 : 38,619,998.81 = 15,595,707.35 : x
  2. Step 2: Convert to fraction form
    27,985,886.57/38,619,998.81 = 15,595,707.35/x
  3. Step 3: Cross multiply
    27,985,886.57x = 38,619,998.81 × 15,595,707.35
  4. Step 4: Simplify right side
    27,985,886.57x = 602,306,199,157,926.25
  5. Step 5: Solve for x
    x = 602,306,199,157,926.25/27,985,886.57
  6. Step 6: Final answer
    x = 21,521,783.76

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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.