Home / 12,943,929.60-19,422,892.80-5,756,572.80

Finding the Fourth Proportional to 12,943,929.60, 19,422,892.80 and 5,756,572.80

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Solution

The fourth proportional to 12,943,929.60, 19,422,892.80 and 5,756,572.80 is: 8,637,971.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943,929.60 : 19,422,892.80 = 5,756,572.80 : x
  2. Step 2: Convert to fraction form
    12,943,929.60/19,422,892.80 = 5,756,572.80/x
  3. Step 3: Cross multiply
    12,943,929.60x = 19,422,892.80 × 5,756,572.80
  4. Step 4: Simplify right side
    12,943,929.60x = 111,809,296,389,795.84
  5. Step 5: Solve for x
    x = 111,809,296,389,795.84/12,943,929.60
  6. Step 6: Final answer
    x = 8,637,971.61

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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.