Home / 20,793,116.60-31,185,009.22-10,004,908.12

Finding the Fourth Proportional to 20,793,116.60, 31,185,009.22 and 10,004,908.12

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Solution

The fourth proportional to 20,793,116.60, 31,185,009.22 and 10,004,908.12 is: 15,005,117.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,793,116.60 : 31,185,009.22 = 10,004,908.12 : x
  2. Step 2: Convert to fraction form
    20,793,116.60/31,185,009.22 = 10,004,908.12/x
  3. Step 3: Cross multiply
    20,793,116.60x = 31,185,009.22 × 10,004,908.12
  4. Step 4: Simplify right side
    20,793,116.60x = 312,003,151,967,452.81
  5. Step 5: Solve for x
    x = 312,003,151,967,452.81/20,793,116.60
  6. Step 6: Final answer
    x = 15,005,117.22

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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.