Home / 15,615,092.96-21,543,918-8,738,482.40

Finding the Fourth Proportional to 15,615,092.96, 21,543,918 and 8,738,482.40

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Solution

The fourth proportional to 15,615,092.96, 21,543,918 and 8,738,482.40 is: 12,056,357.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615,092.96 : 21,543,918 = 8,738,482.40 : x
  2. Step 2: Convert to fraction form
    15,615,092.96/21,543,918 = 8,738,482.40/x
  3. Step 3: Cross multiply
    15,615,092.96x = 21,543,918 × 8,738,482.40
  4. Step 4: Simplify right side
    15,615,092.96x = 188,261,148,270,043.22
  5. Step 5: Solve for x
    x = 188,261,148,270,043.22/15,615,092.96
  6. Step 6: Final answer
    x = 12,056,357.83

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1.5x scale

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.