Home / 12,230,856.80-18,346,220.40-3,132,936.80

Finding the Fourth Proportional to 12,230,856.80, 18,346,220.40 and 3,132,936.80

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Solution

The fourth proportional to 12,230,856.80, 18,346,220.40 and 3,132,936.80 is: 4,699,388.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230,856.80 : 18,346,220.40 = 3,132,936.80 : x
  2. Step 2: Convert to fraction form
    12,230,856.80/18,346,220.40 = 3,132,936.80/x
  3. Step 3: Cross multiply
    12,230,856.80x = 18,346,220.40 × 3,132,936.80
  4. Step 4: Simplify right side
    12,230,856.80x = 57,477,549,032,070.71
  5. Step 5: Solve for x
    x = 57,477,549,032,070.71/12,230,856.80
  6. Step 6: Final answer
    x = 4,699,388.60

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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.