Home / 22,702,825.61-31,329,890.71-12,389,548.70

Finding the Fourth Proportional to 22,702,825.61, 31,329,890.71 and 12,389,548.70

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Solution

The fourth proportional to 22,702,825.61, 31,329,890.71 and 12,389,548.70 is: 17,097,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,702,825.61 : 31,329,890.71 = 12,389,548.70 : x
  2. Step 2: Convert to fraction form
    22,702,825.61/31,329,890.71 = 12,389,548.70/x
  3. Step 3: Cross multiply
    22,702,825.61x = 31,329,890.71 × 12,389,548.70
  4. Step 4: Simplify right side
    22,702,825.61x = 388,163,206,717,222.56
  5. Step 5: Solve for x
    x = 388,163,206,717,222.56/22,702,825.61
  6. Step 6: Final answer
    x = 17,097,572.50

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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.