Home / 28,693,212.80-39,596,118.60-15,640,583.36

Finding the Fourth Proportional to 28,693,212.80, 39,596,118.60 and 15,640,583.36

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Solution

The fourth proportional to 28,693,212.80, 39,596,118.60 and 15,640,583.36 is: 21,583,724.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693,212.80 : 39,596,118.60 = 15,640,583.36 : x
  2. Step 2: Convert to fraction form
    28,693,212.80/39,596,118.60 = 15,640,583.36/x
  3. Step 3: Cross multiply
    28,693,212.80x = 39,596,118.60 × 15,640,583.36
  4. Step 4: Simplify right side
    28,693,212.80x = 619,306,393,695,746.50
  5. Step 5: Solve for x
    x = 619,306,393,695,746.50/28,693,212.80
  6. Step 6: Final answer
    x = 21,583,724.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.