Home / 15,309,904.80-22,999,071.60-12,790,480.80

Finding the Fourth Proportional to 15,309,904.80, 22,999,071.60 and 12,790,480.80

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Solution

The fourth proportional to 15,309,904.80, 22,999,071.60 and 12,790,480.80 is: 19,214,305.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309,904.80 : 22,999,071.60 = 12,790,480.80 : x
  2. Step 2: Convert to fraction form
    15,309,904.80/22,999,071.60 = 12,790,480.80/x
  3. Step 3: Cross multiply
    15,309,904.80x = 22,999,071.60 × 12,790,480.80
  4. Step 4: Simplify right side
    15,309,904.80x = 294,169,183,717,625.31
  5. Step 5: Solve for x
    x = 294,169,183,717,625.31/15,309,904.80
  6. Step 6: Final answer
    x = 19,214,305.22

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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.