Home / 19,208,004.84-28,809,885.12-4,831,078.43

Finding the Fourth Proportional to 19,208,004.84, 28,809,885.12 and 4,831,078.43

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Solution

The fourth proportional to 19,208,004.84, 28,809,885.12 and 4,831,078.43 is: 7,246,083.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208,004.84 : 28,809,885.12 = 4,831,078.43 : x
  2. Step 2: Convert to fraction form
    19,208,004.84/28,809,885.12 = 4,831,078.43/x
  3. Step 3: Cross multiply
    19,208,004.84x = 28,809,885.12 × 4,831,078.43
  4. Step 4: Simplify right side
    19,208,004.84x = 139,182,814,429,960.53
  5. Step 5: Solve for x
    x = 139,182,814,429,960.53/19,208,004.84
  6. Step 6: Final answer
    x = 7,246,083.89

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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.