Home / 10,985,356.70-16,466,371.05-5,301,878.30

Finding the Fourth Proportional to 10,985,356.70, 16,466,371.05 and 5,301,878.30

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Solution

The fourth proportional to 10,985,356.70, 16,466,371.05 and 5,301,878.30 is: 7,947,188.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985,356.70 : 16,466,371.05 = 5,301,878.30 : x
  2. Step 2: Convert to fraction form
    10,985,356.70/16,466,371.05 = 5,301,878.30/x
  3. Step 3: Cross multiply
    10,985,356.70x = 16,466,371.05 × 5,301,878.30
  4. Step 4: Simplify right side
    10,985,356.70x = 87,302,695,349,743.22
  5. Step 5: Solve for x
    x = 87,302,695,349,743.22/10,985,356.70
  6. Step 6: Final answer
    x = 7,947,188.04

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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.