Home / 11,018,138.40-16,511,072.40-9,880,898.40

Finding the Fourth Proportional to 11,018,138.40, 16,511,072.40 and 9,880,898.40

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Solution

The fourth proportional to 11,018,138.40, 16,511,072.40 and 9,880,898.40 is: 14,806,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018,138.40 : 16,511,072.40 = 9,880,898.40 : x
  2. Step 2: Convert to fraction form
    11,018,138.40/16,511,072.40 = 9,880,898.40/x
  3. Step 3: Cross multiply
    11,018,138.40x = 16,511,072.40 × 9,880,898.40
  4. Step 4: Simplify right side
    11,018,138.40x = 163,144,228,859,444.16
  5. Step 5: Solve for x
    x = 163,144,228,859,444.16/11,018,138.40
  6. Step 6: Final answer
    x = 14,806,877.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.