Home / 16,111,421.80-22,234,243.26-9,920,040.35

Finding the Fourth Proportional to 16,111,421.80, 22,234,243.26 and 9,920,040.35

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Solution

The fourth proportional to 16,111,421.80, 22,234,243.26 and 9,920,040.35 is: 13,689,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,111,421.80 : 22,234,243.26 = 9,920,040.35 : x
  2. Step 2: Convert to fraction form
    16,111,421.80/22,234,243.26 = 9,920,040.35/x
  3. Step 3: Cross multiply
    16,111,421.80x = 22,234,243.26 × 9,920,040.35
  4. Step 4: Simplify right side
    16,111,421.80x = 220,564,590,290,915.56
  5. Step 5: Solve for x
    x = 220,564,590,290,915.56/16,111,421.80
  6. Step 6: Final answer
    x = 13,689,951.95

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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.