Home / 15,615,272,806.87-21,549,076,473.48-8,932,269,371.62

Finding the Fourth Proportional to 15,615,272,806.87, 21,549,076,473.48 and 8,932,269,371.62

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Solution

The fourth proportional to 15,615,272,806.87, 21,549,076,473.48 and 8,932,269,371.62 is: 12,326,531,732.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615,272,806.87 : 21,549,076,473.48 = 8,932,269,371.62 : x
  2. Step 2: Convert to fraction form
    15,615,272,806.87/21,549,076,473.48 = 8,932,269,371.62/x
  3. Step 3: Cross multiply
    15,615,272,806.87x = 21,549,076,473.48 × 8,932,269,371.62
  4. Step 4: Simplify right side
    15,615,272,806.87x = 192,482,155,770,762,526,720
  5. Step 5: Solve for x
    x = 192,482,155,770,762,526,720/15,615,272,806.87
  6. Step 6: Final answer
    x = 12,326,531,732.84

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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.