Home / 19,268,728.50-26,588,395.47-11,009,325.72

Finding the Fourth Proportional to 19,268,728.50, 26,588,395.47 and 11,009,325.72

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Solution

The fourth proportional to 19,268,728.50, 26,588,395.47 and 11,009,325.72 is: 15,191,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268,728.50 : 26,588,395.47 = 11,009,325.72 : x
  2. Step 2: Convert to fraction form
    19,268,728.50/26,588,395.47 = 11,009,325.72/x
  3. Step 3: Cross multiply
    19,268,728.50x = 26,588,395.47 × 11,009,325.72
  4. Step 4: Simplify right side
    19,268,728.50x = 292,720,306,101,402.50
  5. Step 5: Solve for x
    x = 292,720,306,101,402.50/19,268,728.50
  6. Step 6: Final answer
    x = 15,191,469.75

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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.