Home / 19,932,901.20-29,899,351.80-19,743,944.40

Finding the Fourth Proportional to 19,932,901.20, 29,899,351.80 and 19,743,944.40

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Solution

The fourth proportional to 19,932,901.20, 29,899,351.80 and 19,743,944.40 is: 29,615,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932,901.20 : 29,899,351.80 = 19,743,944.40 : x
  2. Step 2: Convert to fraction form
    19,932,901.20/29,899,351.80 = 19,743,944.40/x
  3. Step 3: Cross multiply
    19,932,901.20x = 29,899,351.80 × 19,743,944.40
  4. Step 4: Simplify right side
    19,932,901.20x = 590,331,139,535,239.88
  5. Step 5: Solve for x
    x = 590,331,139,535,239.88/19,932,901.20
  6. Step 6: Final answer
    x = 29,615,916.60

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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.