Home / 10,925,918.70-16,388,878.05-10,459,431.60

Finding the Fourth Proportional to 10,925,918.70, 16,388,878.05 and 10,459,431.60

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Solution

The fourth proportional to 10,925,918.70, 16,388,878.05 and 10,459,431.60 is: 15,689,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925,918.70 : 16,388,878.05 = 10,459,431.60 : x
  2. Step 2: Convert to fraction form
    10,925,918.70/16,388,878.05 = 10,459,431.60/x
  3. Step 3: Cross multiply
    10,925,918.70x = 16,388,878.05 × 10,459,431.60
  4. Step 4: Simplify right side
    10,925,918.70x = 171,418,348,964,716.38
  5. Step 5: Solve for x
    x = 171,418,348,964,716.38/10,925,918.70
  6. Step 6: Final answer
    x = 15,689,147.40

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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.