Home / 19,208,136.09-28,810,082.11-4,831,209.57

Finding the Fourth Proportional to 19,208,136.09, 28,810,082.11 and 4,831,209.57

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Solution

The fourth proportional to 19,208,136.09, 28,810,082.11 and 4,831,209.57 is: 7,246,280.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208,136.09 : 28,810,082.11 = 4,831,209.57 : x
  2. Step 2: Convert to fraction form
    19,208,136.09/28,810,082.11 = 4,831,209.57/x
  3. Step 3: Cross multiply
    19,208,136.09x = 28,810,082.11 × 4,831,209.57
  4. Step 4: Simplify right side
    19,208,136.09x = 139,187,544,402,317.80
  5. Step 5: Solve for x
    x = 139,187,544,402,317.80/19,208,136.09
  6. Step 6: Final answer
    x = 7,246,280.63

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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.