Home / 10,985,193.70-16,466,126.55-5,301,715.30

Finding the Fourth Proportional to 10,985,193.70, 16,466,126.55 and 5,301,715.30

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Solution

The fourth proportional to 10,985,193.70, 16,466,126.55 and 5,301,715.30 is: 7,946,943.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985,193.70 : 16,466,126.55 = 5,301,715.30 : x
  2. Step 2: Convert to fraction form
    10,985,193.70/16,466,126.55 = 5,301,715.30/x
  3. Step 3: Cross multiply
    10,985,193.70x = 16,466,126.55 × 5,301,715.30
  4. Step 4: Simplify right side
    10,985,193.70x = 87,298,715,061,871.22
  5. Step 5: Solve for x
    x = 87,298,715,061,871.22/10,985,193.70
  6. Step 6: Final answer
    x = 7,946,943.63

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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.