Home / 12,809,550.80-19,212,667.32-4,830,338

Finding the Fourth Proportional to 12,809,550.80, 19,212,667.32 and 4,830,338

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Solution

The fourth proportional to 12,809,550.80, 19,212,667.32 and 4,830,338 is: 7,244,881.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,809,550.80 : 19,212,667.32 = 4,830,338 : x
  2. Step 2: Convert to fraction form
    12,809,550.80/19,212,667.32 = 4,830,338/x
  3. Step 3: Cross multiply
    12,809,550.80x = 19,212,667.32 × 4,830,338
  4. Step 4: Simplify right side
    12,809,550.80x = 92,803,677,037,154.16
  5. Step 5: Solve for x
    x = 92,803,677,037,154.16/12,809,550.80
  6. Step 6: Final answer
    x = 7,244,881.45

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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.