Home / 18,208,474.84-25,127,402.16-9,948,359.80

Finding the Fourth Proportional to 18,208,474.84, 25,127,402.16 and 9,948,359.80

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Solution

The fourth proportional to 18,208,474.84, 25,127,402.16 and 9,948,359.80 is: 13,728,576.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208,474.84 : 25,127,402.16 = 9,948,359.80 : x
  2. Step 2: Convert to fraction form
    18,208,474.84/25,127,402.16 = 9,948,359.80/x
  3. Step 3: Cross multiply
    18,208,474.84x = 25,127,402.16 × 9,948,359.80
  4. Step 4: Simplify right side
    18,208,474.84x = 249,976,437,526,977.19
  5. Step 5: Solve for x
    x = 249,976,437,526,977.19/18,208,474.84
  6. Step 6: Final answer
    x = 13,728,576.38

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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.