Home / 21,947,849.00-30,218,930.31-18,633,587.90

Finding the Fourth Proportional to 21,947,849.00, 30,218,930.31 and 18,633,587.90

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Solution

The fourth proportional to 21,947,849.00, 30,218,930.31 and 18,633,587.90 is: 25,655,684.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,947,849.00 : 30,218,930.31 = 18,633,587.90 : x
  2. Step 2: Convert to fraction form
    21,947,849.00/30,218,930.31 = 18,633,587.90/x
  3. Step 3: Cross multiply
    21,947,849.00x = 30,218,930.31 × 18,633,587.90
  4. Step 4: Simplify right side
    21,947,849.00x = 563,087,094,094,140.50
  5. Step 5: Solve for x
    x = 563,087,094,094,140.50/21,947,849.00
  6. Step 6: Final answer
    x = 25,655,684.72

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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.