Home / 15,615,272,816.73-21,549,076,487.10-8,932,269,381.48

Finding the Fourth Proportional to 15,615,272,816.73, 21,549,076,487.10 and 8,932,269,381.48

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Solution

The fourth proportional to 15,615,272,816.73, 21,549,076,487.10 and 8,932,269,381.48 is: 12,326,531,746.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615,272,816.73 : 21,549,076,487.10 = 8,932,269,381.48 : x
  2. Step 2: Convert to fraction form
    15,615,272,816.73/21,549,076,487.10 = 8,932,269,381.48/x
  3. Step 3: Cross multiply
    15,615,272,816.73x = 21,549,076,487.10 × 8,932,269,381.48
  4. Step 4: Simplify right side
    15,615,272,816.73x = 192,482,156,104,893,890,560
  5. Step 5: Solve for x
    x = 192,482,156,104,893,890,560/15,615,272,816.73
  6. Step 6: Final answer
    x = 12,326,531,746.45

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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.