Home / 22,602,992.70-31,191,269.94-12,289,724.40

Finding the Fourth Proportional to 22,602,992.70, 31,191,269.94 and 12,289,724.40

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Solution

The fourth proportional to 22,602,992.70, 31,191,269.94 and 12,289,724.40 is: 16,959,352.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,602,992.70 : 31,191,269.94 = 12,289,724.40 : x
  2. Step 2: Convert to fraction form
    22,602,992.70/31,191,269.94 = 12,289,724.40/x
  3. Step 3: Cross multiply
    22,602,992.70x = 31,191,269.94 × 12,289,724.40
  4. Step 4: Simplify right side
    22,602,992.70x = 383,332,111,248,604.56
  5. Step 5: Solve for x
    x = 383,332,111,248,604.56/22,602,992.70
  6. Step 6: Final answer
    x = 16,959,352.08

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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.