Home / 19,208,136.60-28,810,082.85-4,831,210.08

Finding the Fourth Proportional to 19,208,136.60, 28,810,082.85 and 4,831,210.08

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Solution

The fourth proportional to 19,208,136.60, 28,810,082.85 and 4,831,210.08 is: 7,246,281.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208,136.60 : 28,810,082.85 = 4,831,210.08 : x
  2. Step 2: Convert to fraction form
    19,208,136.60/28,810,082.85 = 4,831,210.08/x
  3. Step 3: Cross multiply
    19,208,136.60x = 28,810,082.85 × 4,831,210.08
  4. Step 4: Simplify right side
    19,208,136.60x = 139,187,562,670,555.14
  5. Step 5: Solve for x
    x = 139,187,562,670,555.14/19,208,136.60
  6. Step 6: Final answer
    x = 7,246,281.38

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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.