Home / 20,695,258.32-28,559,483.64-11,276,004.84

Finding the Fourth Proportional to 20,695,258.32, 28,559,483.64 and 11,276,004.84

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Solution

The fourth proportional to 20,695,258.32, 28,559,483.64 and 11,276,004.84 is: 15,560,901.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,695,258.32 : 28,559,483.64 = 11,276,004.84 : x
  2. Step 2: Convert to fraction form
    20,695,258.32/28,559,483.64 = 11,276,004.84/x
  3. Step 3: Cross multiply
    20,695,258.32x = 28,559,483.64 × 11,276,004.84
  4. Step 4: Simplify right side
    20,695,258.32x = 322,036,875,752,540.81
  5. Step 5: Solve for x
    x = 322,036,875,752,540.81/20,695,258.32
  6. Step 6: Final answer
    x = 15,560,901.48

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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.