Home / 11,071,478.70-16,607,218.05-9,307,881.90

Finding the Fourth Proportional to 11,071,478.70, 16,607,218.05 and 9,307,881.90

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Solution

The fourth proportional to 11,071,478.70, 16,607,218.05 and 9,307,881.90 is: 13,961,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071,478.70 : 16,607,218.05 = 9,307,881.90 : x
  2. Step 2: Convert to fraction form
    11,071,478.70/16,607,218.05 = 9,307,881.90/x
  3. Step 3: Cross multiply
    11,071,478.70x = 16,607,218.05 × 9,307,881.90
  4. Step 4: Simplify right side
    11,071,478.70x = 154,578,024,296,948.31
  5. Step 5: Solve for x
    x = 154,578,024,296,948.31/11,071,478.70
  6. Step 6: Final answer
    x = 13,961,822.85

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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.