Home / 22,603,029.72-31,191,321-12,289,761.40

Finding the Fourth Proportional to 22,603,029.72, 31,191,321 and 12,289,761.40

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Solution

The fourth proportional to 22,603,029.72, 31,191,321 and 12,289,761.40 is: 16,959,403.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,603,029.72 : 31,191,321 = 12,289,761.40 : x
  2. Step 2: Convert to fraction form
    22,603,029.72/31,191,321 = 12,289,761.40/x
  3. Step 3: Cross multiply
    22,603,029.72x = 31,191,321 × 12,289,761.40
  4. Step 4: Simplify right side
    22,603,029.72x = 383,333,892,840,809.44
  5. Step 5: Solve for x
    x = 383,333,892,840,809.44/22,603,029.72
  6. Step 6: Final answer
    x = 16,959,403.12

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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.