Home / 20,726,742.35-31,117,054.75-15,937,794.74

Finding the Fourth Proportional to 20,726,742.35, 31,117,054.75 and 15,937,794.74

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Solution

The fourth proportional to 20,726,742.35, 31,117,054.75 and 15,937,794.74 is: 23,927,408.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726,742.35 : 31,117,054.75 = 15,937,794.74 : x
  2. Step 2: Convert to fraction form
    20,726,742.35/31,117,054.75 = 15,937,794.74/x
  3. Step 3: Cross multiply
    20,726,742.35x = 31,117,054.75 × 15,937,794.74
  4. Step 4: Simplify right side
    20,726,742.35x = 495,937,231,556,790.12
  5. Step 5: Solve for x
    x = 495,937,231,556,790.12/20,726,742.35
  6. Step 6: Final answer
    x = 23,927,408.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.