Home / 20,433,051.60-28,197,831.42-11,140,546.01

Finding the Fourth Proportional to 20,433,051.60, 28,197,831.42 and 11,140,546.01

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Solution

The fourth proportional to 20,433,051.60, 28,197,831.42 and 11,140,546.01 is: 15,374,073.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433,051.60 : 28,197,831.42 = 11,140,546.01 : x
  2. Step 2: Convert to fraction form
    20,433,051.60/28,197,831.42 = 11,140,546.01/x
  3. Step 3: Cross multiply
    20,433,051.60x = 28,197,831.42 × 11,140,546.01
  4. Step 4: Simplify right side
    20,433,051.60x = 314,139,238,175,744.50
  5. Step 5: Solve for x
    x = 314,139,238,175,744.50/20,433,051.60
  6. Step 6: Final answer
    x = 15,374,073.55

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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.