Home / 34,653,431.52-47,822,301.68-18,972,194.40

Finding the Fourth Proportional to 34,653,431.52, 47,822,301.68 and 18,972,194.40

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Solution

The fourth proportional to 34,653,431.52, 47,822,301.68 and 18,972,194.40 is: 26,181,938.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,653,431.52 : 47,822,301.68 = 18,972,194.40 : x
  2. Step 2: Convert to fraction form
    34,653,431.52/47,822,301.68 = 18,972,194.40/x
  3. Step 3: Cross multiply
    34,653,431.52x = 47,822,301.68 × 18,972,194.40
  4. Step 4: Simplify right side
    34,653,431.52x = 907,294,004,128,406.50
  5. Step 5: Solve for x
    x = 907,294,004,128,406.50/34,653,431.52
  6. Step 6: Final answer
    x = 26,181,938.25

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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.