Home / 22,602,989.70-31,191,265.80-12,289,721.40

Finding the Fourth Proportional to 22,602,989.70, 31,191,265.80 and 12,289,721.40

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Solution

The fourth proportional to 22,602,989.70, 31,191,265.80 and 12,289,721.40 is: 16,959,347.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,602,989.70 : 31,191,265.80 = 12,289,721.40 : x
  2. Step 2: Convert to fraction form
    22,602,989.70/31,191,265.80 = 12,289,721.40/x
  3. Step 3: Cross multiply
    22,602,989.70x = 31,191,265.80 × 12,289,721.40
  4. Step 4: Simplify right side
    22,602,989.70x = 383,331,966,795,348.12
  5. Step 5: Solve for x
    x = 383,331,966,795,348.12/22,602,989.70
  6. Step 6: Final answer
    x = 16,959,347.94

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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.