Home / 21,824,157.84-30,116,678.76-12,034,597.20

Finding the Fourth Proportional to 21,824,157.84, 30,116,678.76 and 12,034,597.20

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Solution

The fourth proportional to 21,824,157.84, 30,116,678.76 and 12,034,597.20 is: 16,607,380.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,824,157.84 : 30,116,678.76 = 12,034,597.20 : x
  2. Step 2: Convert to fraction form
    21,824,157.84/30,116,678.76 = 12,034,597.20/x
  3. Step 3: Cross multiply
    21,824,157.84x = 30,116,678.76 × 12,034,597.20
  4. Step 4: Simplify right side
    21,824,157.84x = 362,442,097,878,395.50
  5. Step 5: Solve for x
    x = 362,442,097,878,395.50/21,824,157.84
  6. Step 6: Final answer
    x = 16,607,380.71

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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.