Home / 20,375,937.05-28,118,941.36-11,083,587.35

Finding the Fourth Proportional to 20,375,937.05, 28,118,941.36 and 11,083,587.35

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Solution

The fourth proportional to 20,375,937.05, 28,118,941.36 and 11,083,587.35 is: 15,295,431.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,375,937.05 : 28,118,941.36 = 11,083,587.35 : x
  2. Step 2: Convert to fraction form
    20,375,937.05/28,118,941.36 = 11,083,587.35/x
  3. Step 3: Cross multiply
    20,375,937.05x = 28,118,941.36 × 11,083,587.35
  4. Step 4: Simplify right side
    20,375,937.05x = 311,658,742,584,784.19
  5. Step 5: Solve for x
    x = 311,658,742,584,784.19/20,375,937.05
  6. Step 6: Final answer
    x = 15,295,431.17

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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.